We don't let a car company just throw out a car and start driving it around without checking that the wheels are fastened on. We know that would result in death; but for some reason we have no hesitation at throwing out some algorithms untested and unmonitored even when they're making very important life-and-death decisions.
Always point your finger at the chest of the person with whom you are being photographed. You will appear dynamic. And no photo editor can crop you from the picture.