This means if you have 100 followers the chances at least one of them is just such an asshole is pretty damn high. But it isn't really a problem — they poke their head up and you block them, done. It's not like you have to do this constantly, because you can double your number of followers before you are likely to have to do it again.
But if you have 10,000 followers? Now you might see a hundred of them. Except no, at this point you get more!
[contd]