For whatever reason I just can't get into anonymous online gaming anymore. It's one thing if I'm playing against a bunch of friends or my brother, then I usually have fun. But as soon as you start playing against unknown jerks the fun goes down the tube.
The SupCom community seems pretty nice though. I've only played a handful of games online but in every case my teammates were helpful and understanding of my newbness and my opponents were graceful in victory. I'm sure there are still assholes out there playing SupCom but my experience was overwhelmingly positive.