I would extend that further to _unsubscribe from all default subreddits_. Start from a blank slate and search for subreddits that actually interest you and see

I would extend that further to _unsubscribe from all default subreddits_. Start from a blank slate and search for subreddits that actually interest you and seem reasonable. Yeah, you're also creating an "echo chamber" if you participate in polarizing topics, but hopefully you're aware that you're doing that to yourself.