I feel like most people are happy to recognize elements of the human body - it's why I continue to use hands and feet in my sculptures. I think we all seek to find commonality with an object, another person, a work of art, etc. And arranging visual information into a familiar, intimate form is the best way to relate to something foreign - and to find comfort.
THis is an old article from the NY Times about the psycology behind finding faces:
Faces Faces Everywhere
This is a more recent article from RadioLab:
Find a Face