I like the paper. It it is interesting to see other people that are interested in this.
When I try to explain why IPv6 is a privacy failure and consumers should turn it off I get modded to oblivion. https://privacylog.blogspot.com/2019/09/ipv6-hurts-your-priv...
But when other people are aware of passive attacks and see the economic incentives I think there might still be hope.