It's one of the internal emails made public as part of the Microsoft antitrust trial.
>LH is a pig and I don’t see any solution to this problem. If we are to rise to the challenge of Linux and Apple, we need to start taking the lessons of “scenario, simple, fast” to heart.
Sorry, but the person who was in charge of Windows development at the time did not agree with you. Longhorn failed due to performance issues that Jim Allchin believed were unsolvable.
He told them that Longhorn was a pig and he didn't see any solution to that issue.
Just before the code base was abandoned.