I think the points he made is really valid for any kind of forum type thing, and he should be using Quora to get the experience he wants. They have the downvoti

I think the points he made is really valid for any kind of forum type thing, and he should be using Quora to get the experience he wants. They have the downvoting abilities and blogging features, and he can definitely gain more distribution there. Whether he is back or not is never the point, the problems he said seems to be fairly good.