"Most of the time I can spot a fake dress or bag on someone from <5 feet away." I'd be worried about survivorship bias. Perhaps you only "see" a sub-set of fak

"Most of the time I can spot a fake dress or bag on someone from <5 feet away." I'd be worried about survivorship bias. Perhaps you only "see" a sub-set of fakes (the un-convincing ones) and the good ones walk right on by. Isn't this problematic?