He didn't say it was bad to do this - only that it is a theory on why the algorithm has limited earnings on some (maybe not all?) accounts. Because there is perceived to be some reciprocal reading going on, which might look like growth hacking. But you know... it would seem rude for me to not check out your stories once in a while. And this is what social media friendships are built on (besides, I'm interested!). I think they are wrestling with the same dilemma, they want to encourage real engagement but not encourage the bot behaviour that to some extent tries to immitate it.