I think we need control, but not this much control. Moderation is key in everything. No pun intended.
If this becomes reality, I see a future where we have no bad comments, a lot of decent/good comments from the same people and therefore turning into an elitist society (more-so than it already sort-of is). I feel this will push new users away, and therefore slow our knowledge diversification.
"Punditocracy" is that a thing? If not it seems like a good term for it and something that is pretty antithetical of a site site that calls its self "hacker news".
If this becomes reality, I see a future where we have no bad comments, a lot of decent/good comments from the same people and therefore turning into an elitist society (more-so than it already sort-of is). I feel this will push new users away, and therefore slow our knowledge diversification.