Having seen a couple of Jobs interviews, it seemed like he was very well informed of all the trade-offs he was asking. He had some idea how all the bits in his

Having seen a couple of Jobs interviews, it seemed like he was very well informed of all the trade-offs he was asking. He had some idea how all the bits in his project would scale (in various ways - with more users, programmers, parts, etc) even if he didn't like getting his hands dirty with the work of actually doing it.