Compromised? The guy who blew the lid on Twitter? Not hardly.
I was reading Matt Taibbi's work back when he was in Russia, when he wrote for a paper named "The eXile." Compromised? In a word, "No." He did hate the CIA's gambit in prompting Clinton's crooked pro-Moslem war in Kosovo. Does that make him a 'commie traitor'? No, at that time he was more of a libertine libertarian. Some of those come around about Democrat corruption, and he really has in a manner similar to Michael Shellenberger.
I like Michael Shellenberger when he explains the idiocy of California environmentalists. That is something he knows as he used to be a high ranking one himself.
I think he is bad at analyzing other industries and wrongly assumes everything has the same power dynamics and dysfunction as the environmentalist movement.