>In all seriousness folks, humans and cheetahs and a few other species, are uniquely susceptible to extinction by disease.

Cheetah aren't going to stop using protection just because there is nothing to fear anymore.

>Something bad happened to us a long time ago and thus we can trace our ancestry to a few individuals!

These few individuals left Africa by crossing the Sinai and went to spread around the world. That was definitely bad for Neanderthals.