Im not sure classic is really a great example tho, it was released recently-ish and the people playing it are the same people that played retail, which obviously came with the retail attitude, its not really a ''natural'' social progression or something like that. Tho personally i had a really nice time when i was playing classic, was actually surprised how nice/patient people were, and then came the SM cleave runs...
But i do agree that gaming these days is more like that, hopefully we see a shift in gaming away from that.