Does it?
Joe Procrastinate has visited Medium quite a few times but never joined. He really likes your posts, though.
Then he sees one of my posts and likes it. "Sheesh", he says, "This is the same site David B. Clear writes at! And that other guy I read a lot. Hey, maybe I should join. Oh, look, here's a link for that!"
I shouldn't get that money, should I?