I don't thing there is good micromanagement. For me, micromanagement is bad. Period. For the very simple reason that it steps on anyone's ability to create or come up with improvement.
Neither would I consider relating micromanagement with agile practices.
What I do like about this article is part of the aproach taken on the analysis of Steve Jobs' behavior as a manager.
Focus on the product. That, my friends, along with the concern for having such a product being great and creating wow effect on the end customers means there are goals, there is a vision, there is a direction and a path in which to walk, on which one can do their best and improve and innovate.
You don't innovate just because. You do need guidance and objectives. And you also need to still keep delivering value to customers.
So, for me, Steve may have had a bad temper, but it looks like he was one hell of a (outstanding) product owner.