Why is it a conspiracy theory to infer that if Microsoft is supporting a technology financially that they're likely using it internally (or planning to)? MS isn't a charity...
A donation is just that, a donation: no strings attached, it is made in support of recipient's work and mission, but without any specific task in mind. Just like when you donate to your local public radio, you can't say "I want these funds to pay only for such and such program I like".