Whereas FB is more "flat"; I see what people who I actually care about post. Nice vacation, hey, your kid did something unremarkable, cool, you got a new dog.
If your usage pattern is to try to game the system and gather likes and shares, you're probably not someone I'm interested in, hence my distaste for twitter, or, generally, 'following' anyone I'm not personal friends with. Twitter seems to be setup for the latter; I keep trying to like it and use it, but I get uninteresting shit from the "public" figures I try to follow; eg, race drivers I'm interested in, cybersecurity figures, etc.