Redundancy is as old as the language. It was some idiot 17th century grammarian that dreamed up the rule that "two negatives make a positive", whereas from the first written English documents up until then it had been an intensifier. Not no harm did good Gawain never.

I went to an automatic ATM machine today, then connected a device to my computer's USB bus. My car's got ABS braking.

One plaicecism that gets me is the conflation of "refute" with "deny".