[shadowgovt]

> It would be a truly herculean task to bring another framework up to the same level of support and integration of Angular inside Google.

And in fact, Cloud already did this.

Unfortunately, what they chose to bring up to the same level was... Angular, when they transitioned off AngularJS.

They moved from a framework with known performance pitfalls to a framework with slightly fewer known performance pitfalls. It was the right move for them, but it only solved a handful of the problems they were having with the previous iteration of Angular.