This actually played out on the reddit-alike notabug.io (federated all js thing with proof of work anonymous voting). What happened was a couple users had the p

This actually played out on the reddit-alike notabug.io (federated all js thing with proof of work anonymous voting). What happened was a couple users had the programming skill to write better than JS could ever be voting bots and then they controlled the "front page" and only looking at all posts by 'new' worked. This of course meant the anti-spam proof of work voting was not working and so useless.