For this to work they only need one little chip that can do what the secure enclave does. They can then require that chip in Android phones. That's a lot cheaper and easier. Then they need to control the manufacturing of this chip, not outsource it to China.
If only they had an OEM to do this, with a plant in Texas....
ARA?
Nope, that's the modular phone. This is talking about a standard phone manufactured by Google.