Also several of the iCloud services are E2E encrypted and designed to withstand adversarial clouds. They talked about it at Blackhat.[1]
Doesn't help things like mail or photos, of course, but it is extremely notable in the China context for one big reason: it does E2E encrypt messages. WhatsApp was banned from China when they implemented this. Apple stands out in this way... although they're probably getting away with it because most Chinese don't use Apple Messages.