If it were in response to a person on HN (or a Microsoft employee!) who was looking for feedback, I might agree with you. There's a place for simple praise. But what's the use of affirming your love for the new huge product of a big corporation somewhere?

Anyone can say whether they like or dislike something, and if that's an acceptable contribution in itself, everyone will. Welcome to Gizmodo and Engadget. The end result is that more substantiative comments and comments from actual experts are covered in goop.