Edit: Source: https://www.pcworld.com/article/2047227/downloading-increase...
Edit: Source: https://www.pcworld.com/article/2047227/downloading-increase...
Historically the government reaction to that was to censor the DNS protocol itself. Trouble is, by the time they got around to legislating for such things, DNS is already optionally encrypted. In Firefox for example General -> Networking Settings -> Enable DNS over HTTPS
I'm talking about obtaining the content. Sooner or later they'll just ask a techie friend where they can still get their sweet torrents and they're back in business.
They've blocked the pirate bay in the Netherlands for a long time and it was hardly effective at all. In fact it did the opposite: https://www.pcworld.com/article/2047227/downloading-increase...
And finally, don't forget: The people who are using Quad 9 are people who do know what they're doing. Otherwise they'd be simply using their provider DNS.