Counter examples only refute when they are publicised. When they are ignored because the status quo is preferred they achieve little

See for example low carb nutrition

CO binds to haemoglobin (the oxygen carriers in your blood) just like O^2, but a little stronger. Effectively each molecule of CO puts one haemoglobin out of action, making you less able to transport oxygen out of your lungs

It’s avoiding bad outcomes. Babies from closely related people often have problems. Practically every culture has a method of avoiding close relatives breeding

Eugenics is about breeding for desirable qualities, a eugenicist’s ideal person still couldn’t make good kids with a close relative

There’s not many* types of mosquito that are a problem for humans. If we wiped out the dangerous ones, there would still be plenty of mozzy to go around

*I feel like it’s either 1 or 3

The difference between your scenario and the glitch is that in the glitch you are in fact not actually falling

That’s not eugenics.

They added a “plus” in the middle of the word “human”

If me in computer games that allow character alteration in game is any guide I would be re-speccing myself daily sometimes until I find a look that’s right then sticking to that for ages

You do if it’s a lightly cooked beef arse you’re eating

We have blood vessels in front of our visual sensors. Squid and octopuses have better designed eyes.

I don’t know how we compare in visual acuity to them, but they don’t need to fake as much of their visual field as we do

Stop eating whatever is messing with your guts

Australia calls one of our salt water crays “Balmain bugs”

They’re especially popular as a Christmas food

It’s regular, it just isn’t done very often. I’m probably older than you and this is the second time I have been reminded so

Sure. Go for healthy animals. There are also several nasty viruses that have passed from animals to the humans who ate them. But shit happens. Given a random plant or a random animal, I’ll take the animal

All that to find whether a random plant will poison you

Animals are so much easier: is it an animal? It’s good to eat