The only thing that's unclear to me, is whether Google is doing this through Chrome (despite Incognito mode), or whether they're doing it via the websites users

The only thing that's unclear to me, is whether Google is doing this through Chrome (despite Incognito mode), or whether they're doing it via the websites users visit (e.g. via Google Analytics embedded there). The former would be a lot more damning, but it kinda of sounds like it's the latter that they're being sued for? (See also https://www.bloomberg.com/news/articles/2022-10-11/google-s-incognito-inspires-staff-jokes-and-a-big-lawsuit https://www.bloomberg.com/news/articles/2022-10-11/google-s-....)