His job is to create an environment where Apple makes a lot of money. If strategically important employees go from Apple to Google, Apple is quite likely to make less money.
From that point on the game theory is fairly obvious and the rest is a question of style. May as well get angry; sometimes it works. It isn't optimum behaviour but at that level it'll be quite common. There aren't a lot of strategies to choose from. Call it bullying if you like, but realistically once this sort of money is involved something different is happening to what goes on in playgrounds. These people are well insulated from any emotional consequences or threats to their comfort. For a label like 'bully' what matters is how Jobs treated people he had actual power over.