A part of it is the community (or rather the experiences I have had with it) and a part of it (perhaps a big part) is me. Ok, looks like its self reflection time!
It frequently feels hyper sexualized, which is fun is small doses, but a bit... shallow in large ones. Theres a big emphasis on sleeping around, partying, and I've met more gays than I can count who are big on open relationships. Big no no for me (As in, I don't want one, not other people can't have one). I'm more of a find one right match and settle down kind of guy.
Theres also the fact that everything needs a label. We have so many labels that we need another label to describe all the labels. Before you even say your name, the person wants to know top/bottom bear/cub/twink leather/bdsm etc etc. Fun actendote: I was at a party once and this guy I've never even met comes up to me, points at three people and is like "So, do you think they're tops or bottoms? i think they're bottoms." And I'm like wdf, why does it matter, how should I know and why should I care.
The community also has a bit of a not-really-a-secret racism problem.
I've met a lot of people who live and breathe being gay, yet to me, being gay is a small (but certainly importantly) part of me. I go to gay events in the hope I'll find a partner, but I'm pretty sure I wouldn't bother if I was dating someone. Don't get me wrong, I've met a lot of nice people (And lots of cold, unfriendly ones, when I was back at school, but I digress). They just aren't people I have much in common with.
Ultimately, that sense of belonging just isn't there. Its fun to interact with the gay community from time to time. Certainly its fun to post on GAF, you all seem cool, and its nice to talk about gay stuff occasionally. But I have a general apathy towards all of it. I see it almost like something I have to deal with, rather than something I want to deal with.
Ok, you can call me an asshole now.
I agree with a lot of what you said, I have about 4 core issues with the gay community at-large
1) Focus on sex - there are no popular gay DATING apps. We have hookup apps, and gay dating sections on mostly straight sites, and a few unpopular gay-only dating sites that aren't used much. This would not be an issue if it weren't so hard to meet gays in the wild. Unless you live in a major city with a big gay scene, you're pretty much relegated to apps.
2) Not treating people like individuals - this comes in a few forms
A) Top/Bottom - When I came out, I had no idea what I was because I hadn't had sex yet. Even more, having done both, I do not know why a person would stick to just one unless they're particularly selfish, especially in a relationship. I definitely prefer one over the other, but neither is a hard pass.
Even worse, some guys are so strict that if you ever bottomed once, even if you top now, "you're a bottom and I only want tops". It's not something you can tell without me telling you.
B) All the animal/tribes - these labels are basic and embarrassing. I see 50yo men who identify as "jock". We aren't in a teen movie, how the heck does that work?
3) Racism - 2 fun forms!
A) "IT'S JUST A PREFERENCE GUYSSSSSSS" - no, it is textbook racism to judge an individual based upon the racial group they belong to.
B) FUCK ME WITH YOUR BBC! - I am not the mandingo from your favorite porn. I am a person.
4) Coming out is made difficult by the above
Think about how different a straight and gay guy's sexual development are.
Straights grow up, may have a gf in middle/high/college, and get to develop their sexual talents and preferences over time.
Gays (due social stigmas), may not begin romantic pursuits until later in life, and when they do it may start in the closet (no shame to those who are still in it), so you don't get the experience of having a romantic dinner or holding hands while walking down the street.
We're raised on a culture of dating and courtship, but if you just come out into a world dominated by hookup apps, tribe names that require a zoology degree, and unfamiliar relationship types, it's going to be overwhelming.
Even with all the above, I am still part of the community, because I don't want the parts of gay life I hate to be the only kind of life people view as being possible.