Agreed, a form of intellectual vaccination, if you will. And as with vaccination, it will fail for some (or lead to wrong beliefs) but in general will be very b

Agreed, a form of intellectual vaccination, if you will. And as with vaccination, it will fail for some (or lead to wrong beliefs) but in general will be very beneficial for the society at large. Note that what really turned the public against McCarthy in his communist witch hunt was to experience first hand his vileness: "Have you no sense of decency, sir? At long last, have you left no sense of decency?"