i think what people underestimate is how well you are anchored in community. you need to interact with other users, give them something to get something back. I regularly visit people I follow and upvote their stuff with my 0.0$ vote, but I think people appreciate it as it is not just about the money.
I also quite often comment, even few words - it builds connection and people want to give something back.
Right now you feel an urge to click Upvote next to this comment ;)
very interesting post, thanks