Absolutely not. The reason so many Google upper management types sport beards (case in point, Sundar Pichai), is the chronic lack of time from working nights as

Absolutely not. The reason so many Google upper management types sport beards (case in point, Sundar Pichai), is the chronic lack of time from working nights as data-center technicians/network engineers. How else can you explain Google's up-time and low-latency? :)