At a meeting between executives and Google employees, Pichai said that the company’s productivity has fallen behind its targets considering its number of employees, CNBC reported, after speaking with attendees and reviewing internal documents.
My initial impression was that this was a memo that had been fanned out to the majority of Googlers, which is the sin I was referring to. Now that you mention it, though, it's possible that the "Google employees" the above quote is referring to is actually just select members of management, which would be much better.
The memo wasn't "leaked"by cnbc. Unless it was given to cnbc confidentiality. It was either leaked by an employee to cnbc, or more likely it was given to cnbc by an executive.
The memo was "leaked" by cnbc, so Pichai wasn't even doing what you say he did anyway.