Dumb ideas deserve to be attacked. Ideas that are an affront to practically every positive development that dragged us out from under the rule of the oligarchs of the 19th century and the fear-mongering ideologues of the 20th, deserve to be attacked.
If that hurts the feelings of those who are promoting them, that's unfortunate, but it's the price of admission if you're trying to exert influence in the public sphere.