Well it does seem like politically it's a major echo chamber where no outside thought is really accepted. If anyone's payed any attention to history when people stop communicating and having thoughtful discussions on opposing viewpoints your only leaving room for bad things to happen. Reddit has great groups for hobbies though. Politically its trash.

They allow other parties its just that everyone's to afraid to vote for them.

Basically whitepeopletwitter is an echo chamber and not a place for differing opinions or ideas. Your better off without.