And while a globe is obviously better, the orthogonal representation of North-South and East-West also allow for some easier instruction of some earth science topics - basically that the Earth rotates along the horizontal axis.
One can't roll up a globe and put it away.
Unless you live in four dimensions, of course. Not that I do, I'm definitely a creature of three, and only three, spatial dimensions.
No one is doing navigation in grade school or using their geography textbook.