https://trends.google.com/trends/explore?date=all&q=%2Fm%2F0...
Even from 2004, when Brad Pitt was arguably less popular than in the 1990s, we can see that Tom Holland has never reached the same 'peaks' that Brad Pitt had reached. Tom Holland blew up in December 2021 (though never reaching two of Pitt's peaks), and is now down to a level of interest lower than Brad Pitt is today.
Similar for Zendaya vs. Jennifer Aniston: https://trends.google.com/trends/explore?date=all&q=%2Fm%2F0...
If we average out the 2021 popularity for Zendaya/Holland, and average out the 2004 popularity for Pitt/Aniston, then Pitt/Aniston dominate.
The data is slightly tangential, and so it's not conclusive, but it basically suggests that you're mistaken.