So you'd have a low-memory-usage super high latency ad blocker with a monthly bill, or an ad blocker that uses up several gigabytes of RAM/VRAM for slightly less high latency. Compelling.
Yes, exactly this. The best way to fight AI is with your own AI, running locally on your own machine and loyal only to you. Also note that a highly-specialized ad-blocker agent wouldn't need a trillion parameters. It probably wouldn't even need a billion.