The difference here though is that ads are baked into the response via plain text. How far away are we from an offline model based ad blocker? Imagine a model

The difference here though is that ads are baked into the response via plain text. How far away are we from an offline model based ad blocker? Imagine a model trained to detect if a response contains ads or not and blocked it on the fly. Im not sure how else you could block ads embedded into responses.