Why don't people look up?

My job allows me to rise and shine even before the sun decides to make another revolution and while this is insanely early, it gives me the opportunity to look up. So few people look up. Most of us spend our days looking at the ground seeing concrete and dirt and the occasional dandelion. Why don't we look up? Why don't we see the trees and the faces of people passing and the sky?
 When I look up before the dawn I see stars and planets and the moon. Just this week I saw the most spectacular display brought to me by the moon and Jupiter. Recently I have also watched Orion's progression across the night sky as he moves into his Winter latitudes...all of this beauty just by looking up.