If you follow the OP of the comment there is another view being presented.
There are lots of conspiracy theories about what went wrong, regardless how much truth each one has, the real matter is that politics played a bigger role than technical issues.
This is my personal view of the matter, based on MS blogs, talks, papers and how their technology has been presented to those more MS savy.
https://news.ycombinator.com/item?id=11828585
If you follow the OP of the comment there is another view being presented.
There are lots of conspiracy theories about what went wrong, regardless how much truth each one has, the real matter is that politics played a bigger role than technical issues.