Parker said:
Daryl Impey. He's an African who did two years at Barloworld, got a shot at a big team in his mid twenties and is now showing his potential at the age of 28.
If you think Froome's path to his current standing is comparable to the European riders who came through an established progression path with national federation backing, then you're daft.
This is the way arguments are often constructed here. An idealised standard is set - race circumstances on climbs are the same, career paths are the same - and any deviation for the norm can only be explained by doping.
Daryl Impey!!! Seriously that's your comparison. A mid ranking pro who won the Tour of Turkey who is now a mid ranking pro who got to spend a few days in the yellow at the Tour. Yeah, he and Froome are totally like for like

.
I am tired of hearing about Froome's different path to the top. Joins a local continental team, then moves to a better team and finally moves to a PT team. That is a pretty normal career path for any pro.
Any deviation from the norm in the past
has been explained by doping so that is a precedent. Chiappucci, Indurain, Rominger, Ugrumov, Riis, Richard, Armstrong, Rumsas, Hamilton, Landis, the list is endless, all these guys made big jumps performance wise mid to late career. What do they all have in common.