They make a good point: DEF CON has not given "concrete" reason for why they banned the feds. They merely allude to "recent revelations". I am not necessarily

They make a good point: DEF CON has not given "concrete" reason for why they banned the feds. They merely allude to "recent revelations". I am not necessarily opposed to the idea of banning people for bad behavior, but DEF CON should spell out a concrete policy, apply it to everyone, and be specific about the offending actions.