The prediction algorithms are so good that indirect behaviors and data can be informative. You might also be profiled by Google and bucketed into a group of si

The prediction algorithms are so good that indirect behaviors and data can be informative. You might also be profiled by Google and bucketed into a group of similar people who leak their data. They also went to this website and their YT recommendations became a signal to inform your own. Not claiming any certainty here just possible ideas.