It's a major release with ton of changes - there are going to be bugs. That doesn't mean entire release was useless. Besides this article isn't about execution

It's a major release with ton of changes - there are going to be bugs. That doesn't mean entire release was useless. Besides this article isn't about execution quality - it is about where Google's alleged lack of focus is - it said Lollipop was all about Material design focus where as in reality feature focus wise it was a well balanced release.