For that matter, a range of other conditions can impair driving ability. Users of antihistamines may become drowsy. An ear infection could cause dizziness. Diabetics who misjudge their insulin could faint. The list is almost endless.
Nobody wants truly impaired drivers on the road.
But the new AMA policy seems to be a slippery slope indeed. It might well have the major result of discouraging people from seeking medical help, which could lead to minor conditions becoming much more serious, where they perhaps could truly become significant public health or safety concerns. It's fascinating reading.