This process looks quite a bit more difficult than a diy pk with BIP39 seed and passphrase
But maybe that is because I dont know trezor very well - I personally have 2 of them but wont use em - part of me feels that all hardware wallets leak out your information/keys/seed phrase/pass phrases etc thats just me though.
I suppose unless the code used on "xxx" device is actually open-sourced so can be vetted, who knows, so you could be right.
Hell, I may have one of these systems running, I still have to check..
https://www.theregister.com/2023/06/02/gigabyte_uefi_backdoor/You really cannot trust anything not open-source, so I have to agree with you in principle there, however, any reputable company would not do that I would think, especially in this business. Or I hope at least.
https://www.theregister.com/2023/06/02/gigabyte_uefi_backdoor/