The point of my comment is that you can't divide the world up into biased and unbiased, label the biased part astroturfing (or whatever), prohibit it, and then expect a nice unbiased outcome. Rather, everyone is biased in their own ways and to varying degrees. The good outcome come from the truth-tracking aspects of the process, not from have unbiased inputs.
I understand that, but I'm arguing that the bias from financial incentives are just one form of bias. (That's why I said "or whatever".) I mean that it's not useful to divide the world up into no/negligible bias and bad/paid bias, regardless of what you call it.
> ...and undisclosed. That's a textbook definition of both astroturfing and acting in bad faith.
In fact, as stated in the article, the payments were disclosed. Do you have other reasons to think he's acting in bad faith, or just your mistaken belief that the payments were undisclosed?