I don't think the issue is where MS has contributed in terms of open source. For me, it doesn't matter: It's great that they do it, but their history of aquirin

I don't think the issue is where MS has contributed in terms of open source. For me, it doesn't matter: It's great that they do it, but their history of aquiring companies and driving their products into walls (like Skype and so many others) hasn't changed. So, when I see "MS acquires open source hosting platform", I'm thinking about that, not how many lines of code they've opensourced. Of course, if MS wanted to dampen that reaction, they could distribute the whole code for GitHub as a platform under an open source license - I just can't imagine them doing that.