I think this is illustrative from that article. Froome was the best GT rider of his generation, and won the Giro just 6 years ago and the Tour 7 years ago, so presumably his nutrition, training and equipment etc. aren't a million miles from what they have today, yet he's a solid 0.6 wkg below what Pogacar and Vingegaard are doing.Second Greatest Performance Of All-Time By Pogačar | Tour de France 2024 Stage 19 - Lanterne Rouge
Tadej Pogačar again showed off his incredible legs, pushing all-time great watts on the popular Isola 2000 climb, winning his 15th Tour de France stage.lanternerouge.com