There's a lot of uncertainty here. Maybe upvote/comments ranking will be a good thing, maybe it will be a bad ting. High uncertainty is actually good. That's

There's a lot of uncertainty here. Maybe upvote/comments ranking will be a good thing, maybe it will be a bad ting. High uncertainty is actually good. That's what makes experiments valuable - they reduce the uncertainty and thereby help us better understand something. In this case that "something" is the HN application process. So even if this process has potential problems, the experiment is still worth it.