See some of the AWS fees mentioned in the top comment on this thread. $300MM over 3 years is not a small amount of money.
Not to mention the salaries you need to pay to stay competitive in the bay area, they seem to have a sizable headcount (~1600 from a quick google search)
Not to mention the salaries you need to pay to stay competitive in the bay area, they seem to have a sizable headcount (~1600 from a quick google search)