No, because that "guy" would want a vacation and would suddenly become the most important person in the company. You're running teams of people, not cogs. Once you realize that, you'll also realize that cloud services are like 5-6x the total cost.

Cloud services are not efficient or cheap, they're convenient for the unprepared and haphazard management style that VC's love.

Only by abstracting away hundreds of teams that manage the actual hardware.