Clearly? I don't see how you can draw that conclusion? Clearly in his Lab results maybe but not clearly in his peak as a grand tour rider.
We are all guessing. All riders are different. For example, Valverde turned pro in 2002 at the age of 22. Won the world's on the hardest course in recent history at the age of 38. The jury is still out with Evenepoel.
You do have to take into account that in recent years the real youngsters are already training like almost proffesionals.
Where guys like Armstrong, Valverde etc. Really got introduced to new things when they became a proffesional. The youngsters of the current generation are already training based on set outputs, are already eating based on well established optimal schema's and are already working with the best materials and trainers.
So in that sense i dont expect most of the very well performing youngsters to increase dramatically like we have seen in the past.
As for the Bernal, Evenepoel, Pogacar comparison. I Will stay out of that for now. It does not make much sense to me to compare Evenepoel, who had everything to prove with Pogacar, who has already won some of the world biggest races.
I just hope that Remco (amongst others) can grow to a level where he will be a good challenger for Pogacar. Because i surely do not hope we will go into another era where is certain rider is super dominant.