Well, while every group of people is definitionally "a community", you can absolutely have your friend group not be part of "the community" of the game. Just like you can have a LAN and not be "on the net", watch implies the internet.

Uhh if you are playing games consistently with your friends, then they are a community that you're playing with.

If what GP is saying is "play with people you know personally and then you won't have to play with people you don't know personally," well, sure. Great insight.

Most people don't and can't do that. That's why online matchmaking exists and constitutes 99.999999% of online gameplay.

He could be playing with his real friends.

What? I don't... understand...

"Real friends" is also known as "a community."

I think by “community” he meant the whole community of a particular game, where you communicating with people, consuming same content, get influenced, etc

The vast majority of people don't fall into the category you're describing, but they nonetheless have to compete against the very few people who do, and so larger and larger proportions end up falling into the same "meta" bullshit.