-
She's experienced enough that just chopping back into a line without looking is silly, particularly as there's loads of cars in the line behind her team car. The DS definitely should also have been more aware but slightly better awareness from either of them would have stopped it happening.
atz-
At this level riders should be free to race without worrying about the position of cars (or motorbikes). The onus of responsibility is completely on the driver of a vehicle to ensure they do not interfere with the riders.
That's widely accepted and understood by those who regularly drive behind races. I was listening to a podcast recently, after the Jack Bauer incident at the Tour, and a DS said his number one priority when driving in the convoy was to ensure he never, ever hit a rider.
andyp
The DS has all the responsibility in this situation.