[TonyStr]

This is my concern as well. IMO, one of the great aspects of HN is the semi-anonymity (no profile pics, names are just strings that you probably don't memorize unless you see the same name often, no visible upvotes, etc.). This makes us take the comments and submissions at face value, evaluating the content rather than relying on past experiences with the author, or other people's evaluation of it (upvotes).

I feel that any system which injects opinions into comments/submissions before you read and process it, work against the principles of Hacker News. A system like this might be great for a community full of trolls, but another one of Hacker News' strengths is it's heavy moderation. I see maybe <5% troll/bad-taste comments, and most of those are already flagged and [dead].