GCA's problem with him is his use of the Universitie's letterhead to push his views. The Deparment of Economics?
He is free to say what he wants, but if he is going to speak in a Professional sense, he better stick to Economics.
GCA is a sight I have seen before, and although not well known, seem to represent the majority view towards gun control. That is, after that guy joined a pistol club and used his guns for a massacre, the laws on pistols were tightened. People weren't clamouring for the right to own pistols themselves.