What are some examples of 'common sense' which are nonsense?

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I think we know it doesn't help, but we do it anyway.

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Hehe ok I'll wear those down votes. I didn't understand the reference as I heard it first on The Two Ronnies as 'a bird in the hand is worth two in the shepherd's bush' which I think think might be a carry-on reference.

I didn't see why l would want a bird in my hand in the first place.

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Not entirely true. Vaccines induce the adaptive immune system, which is slow but precise. Getting sick for real induces the innate immune system, which is god awful and you should not be relying on it. S. pneumoniae causes pneumonia because the innate immune system goes overdrive and kills you before it kills the bacteria. COVID-19 induces cell-innate inflammasome activation and leads to a cytokine storm, which then leads to even more damage to the lungs as the immune cells come in.

Deadly diseases tend to be deadly not because of the microbe itself, but because the innate immune system overreacts and kills you in the process of fighting off the disease.

Getting vaccinated diminishes the role that the innate immune system plays when you get sick, since the B cells responsible for producing antibodies for the disease are already mature. Having available antibodies also allows the immune system to rely on the complement system, which allows it to detect and kill invading microbes way earlier than otherwise.

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No, I'm responding to regular people. Your immune system is way less effective than you think, hence the wrong common sense part.

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That budgets for households, businesses, nd goverments have much to do with each other.

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No. At least, it's not the general cause of 'middle age spread'.

The base metabolic rate refers to how your individual cells respire when at rest. And a brain cell in 20 year old respires much the same way as a brain cell in a 45 year old. Same for all other organs. There is a gradual decline but it's on the order a single percents.

Organs and tissue at rest respire at different rates, so some of the change people notice is due to change in body composition. Muscle at rest burns twice the calories as fat however this is still only a minor contribution.

Base metabolic rate doesn't vary much at all. The vast difference in daily calories consumed as one ages is general activity level.

Overall metabolic rate = base rate (varies a little on body composition) + calories burned in general activity (varies a lot)

People typically are less active between 20 and 40. This is not just sport but also lifestyle. People become more efficient in their habits as they age. They drive instead of biking or walking. They sit in the sun on holiday with nice food and wine rather than dancing all night. Etc

Lifestyle choice is the primary cause of excess calorie intake and 'middle age spread'. Not "my metabolism that I can't do anything about".

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it also means don't risk everything you have for a somewhat opaque promise of something better

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Well it finally changed the 8th time I pressed it, so checkmate.

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that putting the thermostat up higher will heat the house up quicker

Same with electric range/ovens.

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No.

Getting sick without already being immune leaves your body trying to speed-run anti-body development, while ALSO fighting the disease using more basic physiological responses.

And even with anti-bodies, you're not actually impervious. You can still get sick with diseases you're "immune" to, as even deployment of disease-specific anti-bodies is a complex biological process that can go wrong, come too late, or not be enough.

Given time, a person can develop "immunity" against a lot of stuff, but that still doesn't mean every cell in your body is then changed in a way where that pathogen just bounces off.

You see this most recently with Covid, as people who are vaccinated still get infections, but unlike with unvaccinated people, the body fights it off in a couple days, rather than a few weeks.

But it does still takes those couple days for the latent immunity to kick in, and for the body to deploy that defense.

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I switched keyboards on android, new one doesn't have autocorrect or swipe, but it doesn't connect to the internet. I don't always proofread posts.

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Hurr durr but the national debt is like a credit card and all debt is bad. China can just say pay up and we're fucked.

And other stupid shit my parents used to say.

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Common sense itself.

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They are more similar than they are different though. The numbers are bigger and the limits aren't known, but they do exist. Many countries have felt the pain of excessive debt, the arguments that it can't happen to the US are essentially that the US is a unicorn country.

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The buttons are intended to be placebo except in some places.

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The US is a unicorn country because the US dollar is the primary currency in the world. If the Euro supplanted the US dollar for that position, then the problems with excessive debt could absolutely happen in the US.

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Pot committed is more a math reality with a small amount of sunk cost fallacy. There's always a non zero chance someone is bluffing. A 99% chance to lose $11 is better than a 100% chance to lose $10 if you can win $100 on that 1%.

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EDIT: Basically the immunity system doesn’t work like a muscle.

I think the immune system can be likened to a muscle if someone really wants to go with that metaphor, but only if you consider vaccines to be the gym and getting sick is uncontrollable and dangerous physical exertion. So, wanting to develop natural immunity is like wanting to get into street fights to build arm strength. It might kinda work, but you'll also be in a lot of unnecessary danger.

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In a traditional long bow yes. In a modern compound bow, not necessarily.

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So, correct me if I'm wrong, but wouldn't that also change the way that the arrow is accelerated by the bow? Like, it starts a little slower, and then has increased acceleration until the string returns the the starting position? Whereas a long or recurve bow is going to have the hardest acceleration at the very start, since that's where the most energy is stored?

And if that's true, how does that affect the flight of the arrow? I know that with stick bows, the arrow bows as it's being accelerated, and then wobbles slightly before stabilizing a few feet in front of the bow. Some of that is likely because the arrow has to bend around the bow stave. But do you see less of that with a compound bow?

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What are some examples of 'common sense' which are nonsense?