According to Forbes' managing editor, their bloggers are paid a flat rate for a minimum number of posts and comments, but that yes, they are given incentives for monthly uniques and repeat traffic:
I'd be curious to know how much views are accounted for in writers' compensation too. I would hope the editors of more reputable resources like Forbes have more sense than that.
I think there's a Cold War of plagiarism suits the way everyone and their dog seem to be copying from each other. That must be the only reason the NYT aren't throwing a fit - I know I would, if someone did that to my blog articles.
It seemed particularly bad to plagiarize a feature article like that, though.