Too bad tf2 items are the main reason many people are buying this game and, what's worse, most of these people don't even play it, they use cheats to unlock achievements to get their tf2 items.
This game is surely entertaining even if you don't play tf2 and if you don't know any of these characters.
Their dialogues and voice comments are still pretty funny and poker overall is pretty interesting game, of course if you bother to learn at least the basics of it before you start playing.
Even losing in this game feels good, it's just a friendly game with interesting characters where there are fake money at stake.
Better use this instead of gambling your real money, you know.And use the saved money to buy more tf2 items.