system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why are antibiotic resistant bacteria such a big deal? Shouldn't the immune system be able to fight bacteria without the aid of antibiotics?
gpt
No... we should be dying a lot faster than we are.

One of the big points of civilization was that we stopped dying to disease as much as nature intended.  We *killed* one of the four horseman of the Apocalypse!...

Except that we didn't... or at least the horseman is swinging back with a vengeance.