> (including DNS-based Internet filtering) What guarantees that they wouldn't start filtering URLs on their own (upon request by DMCA, or FBI)? I do get that

> (including DNS-based Internet filtering) What guarantees that they wouldn't start filtering URLs on their own (upon request by DMCA, or FBI)? I do get that they say what they log ( https://developers.google.com/speed/public-dns/privacy https://developers.google.com/speed/public-dns/privacy ), yet if in case this ever does become a _commonplace_ thing, they'd be easily able to obtain IP addresses of users trying to access blacklisted websites, and hand them over to officials (upon request, maybe?).