They call it “dark traffic” - ads that are not seen by tech-savvy users who have excellent ad blockers.
Not surprised that its growing. The web is unusable without an ad blocker and its only getting worse, and will continue to get worse every month.
Sure, the gov may not allow random API access to license plate registration data, but who knows how many license plates and associated identity are somehow scooped up by some data broker somewhere? You know those parking lots that require an app where you pay parking by entering your licence plate, then logging in with Google/Apple ID, and paying with a credit card? Fuuuuu