I'd assume the goal would be to allow macOS to support secure data access with a processor that doesn't necessarily have a TPM. (Assuming you could do the exact

I'd assume the goal would be to allow macOS to support secure data access with a processor that doesn't necessarily have a TPM. (Assuming you could do the exact same things with a TPM) As for what kind of hardware that might be (ahem ARM) would just be speculation... The dedicated T2 chip gives Apple more flexibility for the future and control over the present. Both of these things Apple values.