Besides, overtraining isn't good either.What do you want him to do? 6 full hard trainings on 6 different days? We don't know what kind of hard training he's doing but I would think he knows what to actually do to be in shape for Sunday.
Nothing will change in a week, nor will it undo the mistake of going to Canada or being sick.
What most people will do is those two high-intensity workouts, and the rest of the days will be riding more slowly and getting used to the altitude.
Nothing will change in a week's preparations for this WC. It's the final fine-tuning.