That means if data is NOT end-to-end encrypted, then Apple CAN read it.
That is the very definition of end-to-end encryption and is not unique to Apple.
If you don't understand this information security concept, you probably shouldn't be giving advice about it...
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End-to-end encryption - Wikipedia
en.wikipedia.org
I do not think it's a black and white as you think it is. And I know all about encryption, I was working with the RAF on security as far back as the mid 90s.
That all said :

Privacy - Features
Apple products, including Apple Intelligence, are designed to protect your privacy, because privacy is a fundamental human right.
www.apple.com
This contains even more information. E.g. iMessage conversations are apparently also protected with End to End encryption.
Feel free to contradict me with other citations that state that Apple CAN access the data. Right now it feels that you're assuming this based upon the absence of a fact.
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I wonder how he would feel if it was his phone being asked to be unlocked or perhaps that of Melania,Kushner or Ivanka.. I bet ironic hypocrisy would show really quickly here..
He'd claim Executive Privilege.