Admittedly, when I was at Google, I only worked on three different products. However, while there I had no real deadlines. My work was done when it was done. Performance was measured in quality and impact. This was in fact a part of the culture that was communicated to my team on multiple occasions.

With that said, there is some indication from the outside that the culture is changing. It can be difficult to sustain culture over time, especially in the face of massive success.