That specific article is about streaming, which absolutely provides a better experience over v4. As much as we like to pretend that the presence of v6 implies a

That specific article is about streaming, which absolutely provides a better experience over v4. As much as we like to pretend that the presence of v6 implies a "dual stack" environment, the reality is that at the transport layer v6 is a lot of hasty hacks to make a vocal minority happy. You still can't talk to Hurricane Electric from Cogent over v6. Lots of v6 links are still tunnels. v6 PMTU Discovery was a massive mistake that introduces latency.