The US has the same power as the CCP, it’s just that the US & CCP legal frameworks are different
Apple does not have the power or authority to tell the USG to pound sand:
https://www.reuters.com/article/us-apple-fbi-icloud-exclusiv...
There is already a backdoor in the iPhone, and Apple already preserves it for the FBI.
You can also skip backups entirely if you want.
They wouldn't be the ones being pressured. Instead it would be lawmakers.
The EU has already passed a law, and the USA is considering one, that has already passed out of committee.
Governments can just start confiscating Apple's funds. What, is there going to be an Apple private military, that invades bank of America, and forces them at gone point to not follow a court order? Yeah no. The courts will order them to pay money, and the banks will send the money, no matter what Apple thinks.
The Fines in EU would be something like 10% of global revenue. They can't ignore that.