I play medic and I judge people by their hats and strange kills, then I heal them.
If you're serious then I hope to never play with you.
Question (and I mean no harm by it), why the hell are you so defensive about TF2? You'd actually be surprised at how many people actually only play for the hats, whether its F2P or those who payed.
I never really saw myself as over defensive over TF2, but I guess it's just because I'm one of the few who honestly don't care about hats all that much. Sure, they're nice to have (I've got quite the collection), but the things about it I love are the art style, humor and perhaps balance (although granted they need to nerf/buff some things like the Enforcer and tomislav which are thankfully already being nerfed in the beta).
So it just bugs me when I see somebody go "Hats ruined TF2" when it really hasn't, or somebody say they'll only assist somebody if they have a nice hat.
It's called
Team Fortress for a reason.