Answer me this; How is AI supposed to confidently distinguish a real stop sign from someone/something holding up a picture of a stop sign? Yes, this is a weir

Answer me this; How is AI supposed to confidently distinguish a real stop sign from someone/something holding up a picture of a stop sign? Yes, this is a weird edge case, but I think it gets at the core issue being that it takes way more sophistication to release this tech into the wild then ppl would like to admit.