DNS is the last cleartext channel for ISP's to monitor browsing. This isn't about "porn" at all. Even with HTTPS ISP's have long been able to snoop DNS to find

DNS is the last cleartext channel for ISP's to monitor browsing. This isn't about "porn" at all. Even with HTTPS ISP's have long been able to snoop DNS to find all the sites you visit. This data is extremely valuable for marketing since the ISP also knows who you are and where you live. And using DNS bypasses tracker blocking. This is all about ISP's getting mad that their advertising revanue is being cut off. And possibly a lot of pressure from governments to keep "metadata" like DNS requests in the clear