We are born with a fear of heights. It takes a little awhile to develop object permanence, but there's very little risk of people not getting it. The brain is not a blank slate -- that's ideological dogma from bygone days. Science is showing the brain has a lot of functionality baked into the hardware. Read Steven Pinker's books for the general interest overview.
Read Pinker's books. There's a lot more than my two examples. (Though either one alone demolishes your earlier claim that all "intuitive" is learned.) There's a lot of intuitive stuff around Geometry alone that painters have been exploiting since cave paintings. I think there's plenty more we can do as computer people with that alone.