Feels like this is the cycle of computing. First came the big irons. Then came the desktop. Then came mobile. then came the web. And none of the later ones

Feels like this is the cycle of computing. First came the big irons. Then came the desktop. Then came mobile. then came the web. And none of the later ones seems particularly interested in learning from those that came before. Maybe it is willful ignorance, maybe it is youthful hubris...