I rather thought the point of the article was that Microsoft didn't actually love linux but pretended that it did to stave off irrelevance in markets where linux is kicking their ass (i.e. server).
As he said, if they really loved linux and this isn't just another "embrace, extend, extinguish" ploy sugarcoated in PR niceties they'd be porting office and directx and outlook to linux.
Which they're not.