Doesn't this get us into a sort of perpetual motion machine with the back and forth being

1) generate paragraph of my essay 2) feed it into this classifier 3a) if AI -> make it sound more human 3b) if human -> $$$ Profit?

Obviously it could be more fine tuned than this and is in general good to know, but I just love watching this game play out of ... errr how do we manage the fact that humans are relatively less and less creative compared to their counterparts.