What I find interesting is that a significant portion, if not most, of the redditors trying out Hubski seem to have been lurkers on Reddit.I can't tell whether this is because Hubski's environment attracts the type of user that would feel intimidated by Reddit's discussions (which is what I've heard being said here), or whether it's simply because the vast majority of Reddit's visitors are lurkers. Although I agree with a lot of the criticisms made by the comments on this thread (E.g. rewarding conformist comments, discouraging lengthy discussions, popularity contests), I never found the community to be as hostile as many of the users here have made it out to be. That being said, just from what I've seen so far, Hubski seems far friendlier than most places that I've visited on Reddit, and definitely rewards actual discussion rather than whoever can make the fastest pun.
Anyway, longtime reddit lurker breaking my silence so that I don't end up lurking here.