It's a cat and mouse game, same as all other spam. There are AI detectors, but then the AI get better and the detectors aren't much better than 50:50 ... I don't know how we'll combat this in the future but I don't think detectors are the answer
Given what I read of Dang, I'd be surprised if any method HN uses isn't supplemented by heavy manual jidgment. I imagine any automated solutions will simply be used to flag for review more than do any sorts of auto-modding.
