> don't understand how this is any way monopolistic

It's oligopolistic, you have a virtually integrated behemoth across multiple sectors that is too big to fail, which is not good for competition and thus for consumers.

> If anything, this just makes Microsoft into more of a conglomerate: something we should be encouraging and is good for a society!

Is this sarcasm I'm missing? There's nothing wrong with conglomerates, but enormous vertically integrated with exclusivity ones aren't good for society.