So yes... but the issue with DNS blocking is in the exceptions.

First, exceptions are at the domain level. So you can't say "allow this domain on this site", you have to blanket-allow a domain or not.

Second, the UX for making exceptions isn't great. With uBO it's just a couple of clicks. With something like Pi-hole it's more complex: https://discourse.pi-hole.net/t/how-do-i-whitelist-or-blackl...