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Couldn’t the IPv6 problem be fixed by shuffling of IPs often (for example, every time you switch cell towers)? We need IPv6 (since we’re out of addresses), and NAT sucks. The possibility of being tracked isn’t a good enough reason to stop a rollout, IMO.

An argument could be made for QUIC, though.

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I think the problem they mean is a lack of NAT for IPv6 preventing anonymization behind a network device like your home router. This article addresses it a little.

https://www.internetsociety.org/blog/2015/01/ipv6-security-m...

I think that's exactly what would need to happen: new ip for every request

Many devices already do this. Most modern IPv6 stacks create temporary 'privacy' addresses regularly.

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