Weirdness is sufficient to inspire hatred. (If you doubt me, spend some time browsing Wikipedia’s AfDs.) The recent flurry of cryonics stuff shows that, I hope.
If you don’t find that convincing, easy enough to manufacture reasons eg. it’s covert eugenics and thus threatening, or it’s a waste of resources, or it encourages risky behaviors, or it undermines traditional morality, or...
The former is morally condemned by some people (may no longer even be a simple majority); the latter is weird and disliked by most everyone.
Weird I can see, but why is it disliked by most people? Jealousy?
Weirdness is sufficient to inspire hatred. (If you doubt me, spend some time browsing Wikipedia’s AfDs.) The recent flurry of cryonics stuff shows that, I hope.
If you don’t find that convincing, easy enough to manufacture reasons eg. it’s covert eugenics and thus threatening, or it’s a waste of resources, or it encourages risky behaviors, or it undermines traditional morality, or...