He very much was "just a businessman". An effective one, perhaps, and one who lucked into a new market, perhaps, but he was indeed very much a businessman.

He wasn't an engineer of any outstanding merit--see how he tried to nix expansion slots on the old Apples, or the Atari debacle, or other such things.

Moreover, he's done nothing but create lasting damage as a role model for future CEOs (have you ever dealt with a CEO doing something stupid because "Steve was right"?) and foster a culture of isolation and consumerism in technology. Apple v. Samsung is rubbish, and the petulant Android vendetta is hardly something we should celebrate.