Earlier quoted context omitted.
People have been saying that for more than 10 years now, since the TPM was introduced. Yet you can still install Linux on PCs sold with Windows, you can still install third party software on Windows not from a Store, you can still watch pirated movies downloaded from torrents. You can even run an unregistered/unpaid version of Windows if you don't mind that it will not let you change the desktop background image.
Or you can recognize that app/game developers are starting to require Secure Boot enforcement if you want to continue to use their apps or play their games. RIOT requires users to enable TPM-enforced Secure Boot starting with Windows 11 to play Valorant: https://support-valorant.riotgames.com/hc/en-us/articles/100...
The libertarian maximalist i-can-do-what-i-want-with-my-computer ignore the many use cases where I want to trust something about someone else's computer, and trusted computing enables those use cases.