Sure, I'd take a RWD on winter tires vs AWD on summer ones any winter day.
I'm just not so sure whether I'd take all season AWD vs FWD CX5 on a winter day :) I drove FWD CX5 for 4 years / 40k on Toyo A23 and never experienced this kind of behavior.
I think the nail must've played a role, it's...