They are also probably collecting DNS records from millions of customers too or inspecting SNI on TLS handshakes to know what sites each customer is visiting.
ECH and DOH people!
ECH and DOH people!
My gut tells me the broken intercept is a Nokia product.
Not sure what TFA means with this, reads like ECH doesn't help
Coincidentally, this article's webpage breaks copy & paste in its tables for presumed reasons of being "cutesy" with table click behavior. Can people please stop doing idiotic shit like this?