I don't like anime fans nor anime in general

I may be the first to be here that doesn't like anime at all, but hear me out. In my life I've come across many anime fans and I've remained friends with only 2 of them. Is there a reason for it? Yes. Do I blame myself for it? Depends on whose side you're on and what you can get out of my story.
Here's the thing. I don't like anime fans. I just don't (there are exceptions!). They kind of seem to be posting those anime images everywhere and it seems they are trying to spread their 'culture' and fangirling/boying everywhere (9GAG, Steam, Reddit, Facebook, Instagram etc.). 9GAG is flooded with those and every 3rd post is about anime! Not to mention the users with anime avatars trying to act smart.
Secondly, I don't know if it's a coincidence and is it only me, but 95% of all those users on 9GAG with anime avatars (they probably like anime, why else would they be holding it as their avatar) tend to be total douchebags! You say your opinion and then they attack you and call you out because you don't agree with them! But then when they are attacked, they hide somewhere and act all japanese and stuff. In CSGO aswell, the same situation. In real life, there was a multitude of them. For example, in class, this one girl with green hair (yes, she was tripping a Hatsune Miku or whatever that anime girl's name is lol) whenever we were solving a math problem, I say my result out loud and she is all like 'How can you make a mistake like that!? Are you retarded?'. Some other guys from this group of anime fans called me out for saying that I don't like heavymetal, even though I only used the verb 'like' without any other harsh words to lower the meaning of their band or music genre or whatever.
I'm not biased, but when these instances tend to happen very often to always, then I just come to a conclusion that those people just aren't really in touch with reality.
Sorry for the long post, I'd post a potato if I had one :)