Earlier quoted context omitted.
I don't think your point passes a back of the envelope math test. Right now Google makes the second most profit per employee of any large enterprise on earth: $269,000 in profit, annually, per employee. I know of other- successful!- companies that make less money per employee, because they hire people to do customer support. To start your argument, I think you have to explain why Google can not hire more CSRs, even t…
Google is profitable because it has a small number of employees and a large number of customers. To begin your "back of the envelope math test", you should ask: If Google were to hire CSRs until its profit went to $0 per employee per year, how much of an effect would the additional CSRs have on the experience of Google's customers? How many CSRs would that be? How many customers would each one be handling per day? Sa…
It would go up, probably quite a bit, and the profit would re-emerge but at a lower level per employee.
The real problem is that their scale (in terms of reach, money, customers, political leverage - you name it) is so large that a company could compete or out-compete on customer service and still wouldn't win a significant chunk of their business. That's why they don't need to hire more CSRs.