This was my exact thought when I wrote that comment. Then I remembered Manifest v3. ITP, ETP, and plugins that can block requests based on heuristics will make

This was my exact thought when I wrote that comment. Then I remembered Manifest v3. ITP, ETP, and plugins that can block requests based on heuristics will make pretty short work of this. In Chrome, come Manifest v3, plugins won't be allowed to. So... this is all uglier and more complicated than I thought.