"It means that an ad blocker of the future will have to monitor traffic of the entire network." (towards the end) This is already a concern in the DNS world, w

"It means that an ad blocker of the future will have to monitor traffic of the entire network." (towards the end) This is already a concern in the DNS world, with Response Policy Zones (RPZ) on one hand for DNS-based control (https://dnsrpz.info/ https://dnsrpz.info/) and DNS Over HTTP(S) (a.k.a. DoH) on the other.