If you’re the one paying for internet access, you should also have the right to determine the content that you’re paying to have access to. While something like pi hole could be used to metaphorically take down most of the billboards without impacting the ground below it, even everyday users should be informed about the data advertisers are getting from them, whether it is anonymized or not. Hiding an important setting about data sharing near the bottom of a page in settings doesn’t help anyone but the advertisers.