I currently have 250 communities and 20-something instances blocked, along with and 20-something filtered words such as "slams", "blasts", "Biden", "democrats", "republicans", and "trump".
I also subscribe to more interest based or generally positive communities like Android, cats, aww, bread, dadjokes, etc that way I avoid the main ones that are just people complaining about politics and capitalism. Sometimes it leaks out into these anyways but it's a lot better
I also just GTFO Lemmy if there's nothing interesting today