Privacy and security are related, but distinct. Apple has been pushing privacy, but we're talking about security here. Typically the tradeoffs around increasing security have to do with user experience, something Apple typically does not like to compromise on.
Well, keeping things private certainly rests on the security of devices and protocols. That being said, Apple investing heavily in making security unobtrusive isn't in itself a sign of weak security. A lot of it is just well engineered and thus unseen. But documented in parts for everyone to see: https://manuals.info.apple.com/MANUALS/1000/MA1902/en_US/app...
