Nofollowing isn't enough to stop determined SEOs with lots of time on their hands. A nofollow link is still decidedly better than no link at all, because it get

Nofollowing isn't enough to stop determined SEOs with lots of time on their hands. A nofollow link is still decidedly better than no link at all, because it gets a couple of clicks of traffic and maybe, maybe will be picked up by someone else as a follow link.