I'd imagine it will get more difficult for ISP's if encrypted DNS becomes standard. At this moment, they will have allowed IP ranges, that would cover for exam

I'd imagine it will get more difficult for ISP's if encrypted DNS becomes standard. At this moment, they will have allowed IP ranges, that would cover for example; YouTube. Edit: Also, an ISP can always see what your endpoint is, as they would have to in order to give you the connection. The only exception to this being VPN's and TOR.