Certain contexts DO allow Laymen authority to determine the legality of things. Juries and voting come immediately to mind. Conversationally, saying "I think t

Certain contexts DO allow Laymen authority to determine the legality of things. Juries and voting come immediately to mind. Conversationally, saying "I think this is illegal" instead of "this is illegal" freely surrenders to those who disagree with you to use appeals to authority to bypass conversation without addressing what you said. I think this is a bad strategy if you're levying a case in the e-court of e-opinions.