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Apple Pay is one of the (few) things where that is not the case. New phone = manually re-adding cards to Apple Pay. Get an Apple Watch? It does not get your Apple Pay info until you manually add them to the watch.

I have access to card data in macOS safari that I entered on my iPhone. I don't double enter it. I do know if you disable security on the phone, you lose the card info and have to readd.

> somehow... it makes it to all your other apple devices.

"Somehow" their information makes it around? No, you have to add them, yourself, on every device you use them from, individually.

No, I don't. If I put info in the phone, it's available on safari on macOS. I'm fairly certain I didn't enter it multiple times.

It's just a credit card though? Seems like a weird distinction when those details are intended to be given out. I presume if you're using one-time cards you're not using Apple pay at all. Plus you need the CVC code and such to re-auth them on new devices.

Apple has issues with privacy, but I don't really see how this is one of them.