If あなた didn't read the title, WARNING, RANT AHEAD!!

Why can't we have an opinion different from someone else's? Why are we supposed to agree to /one/ person? Why should we have the same opinions as that person? We have our own mind, we have different perspectives.

Umm, we're not hating on a character just because we say they're annoying. We don't go
I HATE THIS CHARACTER BECAUSE BSLFKNDFVDVDF

no, we say

I prefer character x もっと見る than y because y is annoying to me

but why would あなた go around to /everyone/ who doesn't agree with あなた and say (though some are implicitly)
THEY'RE NOT ANNOYING または ANY OF...