Really? I've been on reddit for a few years now and there's plenty of enjoyable content on the frontpage and now /r/popular. Sure, there's always something about politics, but I think that's always been the case.
As for shadowbanning, reddit is taking steps to get rid of that altogether [0], or at least they recognize that it's a bad system for actual users.
I also like being able to filter out subreddits on /r/all. Every political cycle, I get bombarded w/ political news on /r/all. I filtered out all of the political content, including for candidates I like, and now I'm much happier! When I want political content, I seek it out, and it's kind of hard to avoid anyway.
Reddit has already made large strides there. I see far fewer shadowbans today than I saw 1-2 years ago (based on sbanned posts caught in the modqueue).