This needs to be returned to them in spades, quoting from the law about criminal fraud in science, with what fines and how long various named individuals, like Michael Mann and James E. Hansen would be spending in prison.
The big difference is, “They propose to persecute others for ‘crimes against humanity’, if they achieve the dictatorial political power to do so. We propose that they face the criminal law for the crimes they are doing today, under our common law, not the law of the genocidal dictator they desire.”
One student should just ask this simple question -
“Why won’t any of you have an open debate with any of “them”?