Earlier quoted context omitted.
Yes, but then you need special equipment rather than standard cameras (that usually filter IR); which would prove the point that it's about physical limitations rather than racism.
The racism comes from saying "We recognise human faces" and then not recognising a significant proportion of humans.
It's not that hard to find both conscious and subconscious examples of systemic or individual racism. Engineers taking the easy path with webcam facial recognition is probably not a good one and serves only to give more fuel to those who claim people jump to the racism cry too quickly.