Jonas did look head and shoulders above all the others at the Giro. However, he also knew he was trying to win this Tour, so wasn't ever going to go too deep to win the Giro. He did more than enough, but barely broke sweat.
We can never be certain any top sportsman is clean but at least we have far more checks in place in cycling than in any other sport.
Do you think football, tennis, rugby etc are clean? They pay lip service to testing, and always have done.
Most of Fuentes's frozen blood bags were footballers and tennis players.
With Armstrong there were loads of rumours by this stage , but there are none surrounding today's top riders.