Except the mechanic for voting down (dimming out the comment) remains. Also, my experience is that the down votes are usually countered. Good comments get a g

Except the mechanic for voting down (dimming out the comment) remains. Also, my experience is that the down votes are usually countered. Good comments get a good number of points. By removing points from comments, you've made points worthless for determining comment value. In that way, having them is pointless.