https://en.wikipedia.org/wiki/Chernoff_face https://en.wikipedia.org/wiki/Chernoff_face supports your take - humans are hard-wired to recognize and parse faces,

https://en.wikipedia.org/wiki/Chernoff_face https://en.wikipedia.org/wiki/Chernoff_face supports your take - humans are hard-wired to recognize and parse faces, why wouldn't we make use of that shortcut!?