?? okay
It was a joke, about hats... that is the primary thing funding TF2 now. Hats do not impact game play.
Ahh

okay heh
They have drop items and special craftable items that change the game a bit now. You can get stuff without having to grind by either picking them up, crafting them or buying them right from the in-game store.
Some of the weapons are pretty badass and change the classes significantly enough to make things pretty darn interesting. (I managed to pick up a soldier rocket launcher called "the black box", it shoots one less missile but you get +15 health back on every hit, including splash damage!!)
Woe be unto the player capping a point solo if a Demoman armed with the Chargin' Targ and the Eyelander happens to be around