Only to criticism of the form "X can never ...", and some such criticism richly deserves to be ignored.
(Sometimes that sort of criticism is spot on. If someone says they've got a brilliant new design for a perpetual motion machine, go ahead and tell them it'll never work. But in the general case it's overconfident.)
(Sometimes that sort of criticism is spot on. If someone says they've got a brilliant new design for a perpetual motion machine, go ahead and tell them it'll never work. But in the general case it's overconfident.)