Why do some people ask questions when they really don't want to know anything?

A lot of the time they are just looking for confirmation bias, they are looking for others to parrot what they already think/believe.

Yes , it is annoying.

the majority of YA posts are trolls... or worse

Why do you do it, answer that and you will have your answer. We judge and reason by our own judgment and reasoning.

https://www.gotquestions.org/Bible-scoffers.html

Everyone thinks they’re right: most are here only to find others who agree with what they hate.

It’s mainly because barack has had way too much time on his hands since he was expelled from the 3rd grade last year.

Nearly always, it is to prove a point.