I have not found that to be the case. I have over 150 commenters on my Hacker Smacker foe list and I have only found once or twice that somebody who goes into the red bucket deserves to go into the green bucket.
Now the way I use the friend/foe system of labeling may be different than others, and it's a personal decision for how you choose to label commenters. But the way I do it, if somebody has an opinion that puts them on my red list, that's great to know, because when I see them comment elsewhere I now have the context for why I feel the way I do about them.
Now the way I use the friend/foe system of labeling may be different than others, and it's a personal decision for how you choose to label commenters. But the way I do it, if somebody has an opinion that puts them on my red list, that's great to know, because when I see them comment elsewhere I now have the context for why I feel the way I do about them.