How and who matters, a *separate* article on the multifaceted woes of marketing would be great. That said, for the "who," the worst privacy offenders are also those with the greatest ad reach, so that's hard…
The Duck folks do amazing work, including on marketing, and I'd love to learn more from them. (Some of it is just billboards!) But I don't think we should assume that that's reproducible everywhere. Search is probably easier to pitch than VPN.