I'm slowly weening myself off, but the main problem is that Reddit has a massive backlog information that's still useful to reference. Almost any question you search online comes back with a reddit thread.
Lemmy and the fediverse has a ton of potential, but we're really lacking in terms of content parity. Hell, even just communities vs subreddits.
Yoku's Island Express. The idea of a metroidvania where the entire map is a giant pinball board is beyond genius.