These demos are useful to help understand the limitations of these security measures, but hardly invalidate them. E.g. from the first article you linked: > th

These demos are useful to help understand the limitations of these security measures, but hardly invalidate them. E.g. from the first article you linked: > the attack is only really useful against unconscious victims, requiring both physical access and the tricky move of placing glasses on their face without waking them up. All authentication mechanisms have limitations, BTW.