I'd say Huttunen will not have advantage in Arctic as he has done the event only once, in 2015 with R2 car. And he has not so much snow event experience.
Roads will be mix between wide and narrow, narrow ones like you said, like in the tunnel, need to be smooth and precise.
Snow dust might be an
Far from brainless. It's just a way to remind the competitors that this kind of cutting should not be done, the route should be equal for all drivers.