Jason_Mercier said:
He was the more agressive that day. Atacked many times and then paid it in the final ascent. But is a good demonstration that he is a good climber.
i invite you to watch the stage again. i did, many times. the first selection is made by an attack from costa who then asks for TJVG for a turn which he does (you can see right when the camera catches the front of the break that costa is the one out of the saddle at the front and TJVG is moving to take his turn)
you can also see it when gautier is dropped that it was costa who made the acceleration. (same situation as the first selection)
TJVG was just willing to take bigger turns but his rhythm wasn't the one that caused the other guys to get dropped. TJVG raced stupidly that day taking big turns and sprinting to a KOM sprint costa clearly didn't care about which is why he got dropped hard on a 200 meter long hill.