'Too many employees, but few work': Pichai, Zuckerberg sound the alarm
By the end of my employment at Google I was not working very hard.  Probably a few hours a day, mostly doing whatever I felt like doing.  My managers consistently gave me &quot;meets expectations&quot; regardless of how much I achieved or how hard I worked.  However, any time there was an emergency related to my function, I had everything required to jump in, fix serious problems, and then get out of the way during the cleanup then contributing my bit to the postmortem.  
I could tell there were very few (fewer all the time) people who truly understand google prod, and in that sense, the company seems to be OK with paying top salaries to people who can prevent the company losing lots of money, or other critical prod issues.