I don't want IPv6. Why would I? It's like a permanent global cookie. You're uniquely tagged and identifiable on every website you visit.
>it's in their best interest to ensure users can't host services without them.
They'll just keep blocking port 25. IPv6 won't change anything with regards to self hosting.
My OS gives me IPv6 privacy addresses out-the-box which rotate every few hours.
> You're uniquely tagged and identifiable on every website you visit.
Almost every modern OS enables IPv6 privacy extensions, ie address randomization, by default.