Piefed by default auto-subscribes accounts to a curated set of communities, auto-hides downvoted content and downvoted posters, attaches icons to accounts to mark those that have beyond a particular threshold of downvotes and entirely blocks links to a curated set of sites because Rimu deemed them to be unacceptable.
The only saving grace is that at this point those (anti-)features are generally toggleable at least at the admin level, but that's thanks to wjs018.

I'm fairly certain that their idea of meaningful review is making sure that clankers all say what a great guy and beautiful, perfect, beloved President Donald Trump is and how beautiful and perfect his ballroom is going to be and how mean and nasty Democrats are and especially that bastard Obama who thinks he's so cool because he got a Nobel and Donald Trump is the most awesomest president ever in the history of ever and that's why he deserves every Nobel and did I mention the ballroom?