She's not an ex employee. She's a current employee of Google. It was extremely bold of her to post this. The whole post is much longer and much more truthful.
The big company conundrum
Each of their product is mediocre now. It’s not surprising. Google today isn’t like the google of the 2000s. I gave a few interviews there and observed people usually ask questions they themselves cannot answer and they nitpick your responses to the maximum extent possible.
What's going on Google? Seems the internal culture has gone for a toss big time.