From the end of the quoted excerpt, Schmidt speaking:
The tightening that [CFO] Patrick [Pichette] in particular did, who I think is the current Google hero, really did change the culture in a much more pragmatic way: “We’re happy to work here. We’re happy to be employed. We love what we’re doing. Our freinds, you know, have been laid off.” It’s been a maturing process. And I think a generally good one.