One of the really surprising things about Microsoft is that despite all the caustic internal politics, CEO antics, missteps, misfires, a business model designed to extract maximum money from everybody, and even questionable development and design practices, on occasion really great software (and hardware) comes out of there. World class, amazing, top of the industry with no true peers. For example, despite all of the…
Presumably one of the first discussions would bring up "network effects" and you'd conclude that a frontal assault on these markets would be suicidal. Then you'd find some other project to pursue.
Same goes for Office. It's not "good" any more than a private railroad/electricity/telephone system is "good", it's just sheltered from direct competition by network effects. And without direct competition you really have no basis to judge it on.