Earlier quoted context omitted.
This is nearly a "no true Scotsman" definition of cloud revenue, where if Amazon doesn't have a product in a market segment it shouldn't count. Google and Microsoft both have offerings in the cloud SaaS office suite market segment, and it's a real liability for Amazon that they do not.
Not really. When people buy Office 365, they're primarily purchasing a the MS Office product, and the cloud just happens to be the mechanism of delivery. That doesn't really make this cloud revenue. Imagine if MS was forced to "unbundle" Office 365. Consumers could purchase a license to run MS Office on any platform. On of which might be hosted Azure. What percent of the Office 365 revenue would accrue to the product…
You can literally buy office as a standalone product. That's the ONLY way you could buy it a decade ago. So the current situation is exactly what you're describing.