Earlier quoted context omitted.
Yeesh, the ignorance of the folks in those threads. Painful. Anyways, if someone can't get to non-v6 resources, they have bigger problems than not being able to use DDG. There is a single class of operator for whom v6 deployment actually makes sense, which is large-scale ISPs for whom CGNAT presents an onerous burden on their reporting/monitoring requirements to law enforcement. Everyone else is just rolling v6 out t…
Home internet in Japan is IPv6 only. Usually you have to sign up for a separate NAT-like-thing that the ISP runs as well, sometimes for an additional charge.
And JPNIC recently discusses how v4 translation is still necessary: https://blog.nic.ad.jp/2021/6406/
I would be super interested to read more about 6to4 translation as an additional charge on residential service, if you have a link I could check out.