smell the stench of bacterial byproducts

True. Smells of bacteria's farts.

people can't go around constantly cleaning their armpits.

In theory we could if you catch my drift. Some people use it as a fetish, but personally I'm not that brave.

Also you can just get deoderants that aren't antiperspirants

Pardon my eventual ignorance, but from my understanding deodorants are perfumed - "stink mitigation" if you will and antiperspirants are just to try and sweat less, like "stink prevention"