> Apple as a whole only makes 21B a year from all services, and they run everything from cloud storage, to synchronization, to an App Store with a wild profit margin from fees.
Correct on "wild profit margin", but your numbers are wrong according to FY22 10-K filing[1]:
Services Revenue = $78.129B
Services Cost of Sales = $22.075B
Services Gross Margin = 71.7% ($56.054B)