> I can imagine a feasable future where it could be replaced with an anonymised IP from a larger pool generated by your ISP, with TLS for the payload.
This is already a thing with NAT and Carrier-Grade NAT.
However if the IP + port + time trio, coupled with other information (such as browser, stack, timezone, behavior) can be used to de-anonymise the user, this also instantly becomes PII.
> This could be solved at the internet infrastructure layer, and not required by to be solved by website developers.
It could, but until we get there, website developers will have to deal with it.
This is already a thing with NAT and Carrier-Grade NAT.
However if the IP + port + time trio, coupled with other information (such as browser, stack, timezone, behavior) can be used to de-anonymise the user, this also instantly becomes PII.
> This could be solved at the internet infrastructure layer, and not required by to be solved by website developers.
It could, but until we get there, website developers will have to deal with it.