Do you honestly think this initiative began under Nadella? Open-sourcing any code at a behemoth the size of MS is a glacial process, and I can guarantee that so much code would not have been open-sourced from scratch in 9 months.

> I'll never switch back to MS for what they've done in the past...

I know people have their pet peeves, but IMO, opinions are better based on empiricism and data are than in infinitely repeated anecdotes:

http://papers.ssrn.com/sol3/papers.cfm?abstract_id=269498

(Spoiler: it follows Betteridge's law. Disclaimer: it was published in 2001, so it does not account for any shenanigans post-2000.)