I don't know if this is a big factor, but, kids for the last 10 years have had access to really good training techniques for free via youtube. Every kid has the opportunity to use the same training techniques as the professionals.
By the time they get serious and have access to professional coaches, they've had maybe 5 years of good quality training.
As well as bikes have improved a lot. Clothes have improved a bit. But the biggest factor of all are the drugs. I mean I don't know. I'm just cynical.
I think it's a level playing field, though. I think it was a level playing field during the armstrong era.
Maybe armstrong had better drugs, better doctors, but it's not like the other riders were clean.