Microsoft is a for profit Corporation!
Microsoft's past is full of acts of jumping copyright, patents, and contracts while assimilating every kind of technology from "partners" without the agreed upon terms of the contracts, and then stalling the resulting lawsuits until the other company went out of business. With OS who is able to endure the cost of suing Microsoft for Copyleft infringement? Yes this is a survival of Microsoft move, and for now they will look like they are playing fair, but Microsoft did not become the giant that they are by playing fair. Just look at their past. Microsoft is a software predator, and I see no reason why they would change now.
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