It's a useful business technique. "Social proof" and all that.
APF doesn't come in screaming at others about how stupid they are. APF doesn't spam NST with the same tired topic 30 times a month. APF doesn't link to some kook in his mom's basement telling you how to, "Be afraid. Be very afraid" of the world falling down around you. And, when APF is proven wrong, he acknowledges he made a mistake and moves on, rather than harping about "sheeple."