Surely the ability to sort people into meaningless bins on facial features alone is worthy of note? Let's say you created an arbitrary classification ("number

Surely the ability to sort people into meaningless bins on facial features alone is worthy of note? Let's say you created an arbitrary classification ("number of letters in street address" or "cosine of age in minutes") and an alorithm could predict that based on a photo alone. That would surely indicate that the classification wasn't arbitrary and there was something more interesting happening? At the very least you'd want to dig deeper.