This. If you like to follow people (Twitter-style) then Mastodon is the right tool for you. If you are focused on topics and don’t care much who supplies the content (Reddit-style) then Lemmy is what you want.

Did you have a look at Reddit lately? The content quality is shit. Personally I find much more interesting stuff on Lemmy atm.

Btw, It’s already possible to block all bot posts