I just got a Mac but this is the first time their closed source monopoly crap has bit them in ash. The more it happens the quicker they will change. It's a good day.
Advertisers have a financial incentive to track you as much as possible and are constantly engineering their trackers to do it even better. Users are on the side of a losing team if they don't stand up. I read 3 sentences one was "They can't track you in different tabs" baloney.