Actually the existence of shitty business apps is one of my points.
They improve the quality of those 'shitty' homegrown apps for their huge business customers (the cheese is that if you want to be seen in Metro you have to play ball) and then over time they get a cut of sales of all of these apps.
There is an economic impetus for creating a walled garden. Businesses aren't investing money here just for intrinsic benefits. Owning the market is powerful as you can control how other people get their money.
Why would a company want all its employees to have to buy their outlook calendar-based time logger doohickey? They just distribute it on new hires' computers and be done with it. And that's not even getting into the ones that actually have proprietary data/trade secrets. Forcing all windows 8 programs to go through a Microsoft-curated app store is just not going to happen unless it's for some very limited "starter edition".
They improve the quality of those 'shitty' homegrown apps for their huge business customers (the cheese is that if you want to be seen in Metro you have to play ball) and then over time they get a cut of sales of all of these apps.
There is an economic impetus for creating a walled garden. Businesses aren't investing money here just for intrinsic benefits. Owning the market is powerful as you can control how other people get their money.