First off, a caveat: I'm about to complain about a lot of people I respect and rather like. I'll probably take a lot of heat for it, but it needs to be said. I feel like a lot of the closing of niche questions these days comes from the chat communities. (By "chat", I mean: http://chat.stackoverflow.com/ ) There's a huge rash of "cv-pls" in the chat rooms. I don't have a problem with it in general, but the culture aro…
The PHP chat room is/was quite bad in that respect and there's a small handful of particularly caustic individuals who go out of their way to spread unpleasantness for less well informed users.
There are plenty of others who've had positive experiences as well.
And those "caustic individuals" have a LOT to share if you're willing to engage in an open and healthy way.