Do you have sources for that?
Some quick searching yields this:
"Based on the numbers, Tadej Pogačar has an FTP close to 7w/kg. These are the highest numbers that we’ve ever seen in professional cycling, and what’s even more incredible is that Pogačar is pushing 7w/kg for 40 minutes after four hours of racing."
https://velo.outsideonline.com/road/road-racing/tour-de-fran...