Apple already shipped attestation on the web, and we barely noticed
https://httptoolkit.com/blog/apple-private-access-tokens-attestation/
There's been a lot of concern recently about the Web Environment Integrity proposal, developed by a selection of authors from Google, and…
I think a better comparison re: cars would be if inspections could only be performed by Ford or GM and the inspection rules were made by them instead of the government. They could say: we're no longer passing inspections on models older than 5 years old, or if you used non-approved oil or filters the toll roads are gonna block you. They could put ads on your infotainment system and say you won't get an inspection pass if you block them or replace the infotainment system with something else. Did you bypass the subscription lock on your heated seat? No more highway driving for you.