Reality check: ISPs sell your information. They’re pretty much the last people you should trust.
> who consented to this specification?
Third party cookies (the “tracking” kind) were a bug. The original specification did not include them.
Exactly why we should regulate IP address and protocols, so that every company that handles them is beholden to the same conditions for preserving our privacy. Instead we play whack-a-mole regulating individual company behavior, while they continue to control the protocols and addresses and everything on top of those layers.