What if people could downvote articles, but it would have no visible effect, only advising moderators? Or, just track how many downvotes and flagged comments a

What if people could downvote articles, but it would have no visible effect, only advising moderators? Or, just track how many downvotes and flagged comments are in a thread and kill anything (the whole thread) that gets even minimal controversy? If everything that is basically redundant with Reddit or other aggregators was deleted, I think it would be like 60+% at this point, but why not go ahead and try it? Enforcing "high quality" discussion on low quality topics is manifestly a complete failure.