Honestly, this article is pretty bad at explaining the problem here. It’s clear that other websites will try to track you, but the important part of this incognito drama is this:
The plaintiffs also accused Google of taking Chrome users’ private browsing activity and then associating it with their already-existing user profiles.
I unironically had a screening interview with a recruiter that asked “If you were creating a startup, would you use microservices?”. She didn’t like that my answer was “It depends, I don’t have enough information to answer”.