Indeed, so the user should not buy a computer where they're not in control of the TPM, if you can't disable it/add your own keys, then don't buy that computer
> That rapidly converges on "you can't buy a computer and use it", because economic interests favor trusted computing devices.
I would rather argue that it converges to "you become more and more morally obliged to learn about hacking (and perhaps become a less and less law-abiding citizen) if you buy a computer and use it".