I farm in a set route as well similar to what you've described but the 'bots' I'm talking about do lots of weird things like jerky movement when the two closest mobs are a similar distance. They also don't have a sense of danger, e.g. when I pull 20 mobs into them they attack the mobs, die, respawn and rinse repeat. No cussing me out for pulling the mobs or anything even after I get them killed literally 50 times. A player would have avoided hitting those mobs or at least changed they behavior to avoid trouble the next time.
I'd upload the vid so people could see what I mean but I can't name and shame. Is reporting in game the best way? I've had no luck so far.