Beccara: . The requirement for TPM is more likely to be from a demand for built-in ransomware protection which starts with a secure enclave. Lets just hope it doesn't end up like the bitlocker FDE issues with "hardware" encryption and keys with all 0's
Or software key verification for selling it as a service (Office dies when your tpm stops responding...)
At initial release it may also be required NOW to target new machines that corps are most likely to use as part of a 3yr lifecycle to get the majority of target testing
And joe blogs models checked later