Appropriately enough, I've taken a medicine which as one of the side effects, can cause permanent impotence or loss of orgasm, as well as suicide and many other bad things.

It would appear that the evidence for that drug actually being effective in what it seeks to treat is controversial. It seemed clearly better till they realised that the drug companies weren't releasing the studies that showed it in a bad light. Effectively tossing a coin and only revealing they had done so when it matched their preferred outcome.

Never having sex again would definitely suck.

Never having sex again because you're dead sucks more.

Comparing the relative severity of problems, and saying that one is worse than the other, in no way implies that therefore the other problem isn't also a problem.