I try to visit Stacker just to see what's going on with crypto, but it's less Reddit and more similar to other single topic sites (which I hate to mention because they've banned me; so fuck you YCombinator/Wackernews and Lobsters!)

There were some single topic ink aggregation sites like narwhale (for writers) but of course that's not going to last. On the Fediverse there are Lemmy instances that you might be interested in, but honestly, just get on the fediverse via Pleroma/Mastodon/Misskey. That's where everything is at .. there or Nostr.