I suppose my main worry would not be so much a ban on attys, but rather manufacturers ceasing to make them becasue the market drop after a ban would not make it cost effective. I know there would be folks making them in their garages, but the price would go up, I imagine, because there'd be no bulk manufacture.
I suppose if the market were big enough, there'd always be people willing to manufacture, even from back rooms. But how many people vape? There's obviously enough to keep them manufacturing in China now, but after a ban, would the market revert to analogue cigs, or would demand keep the manufacturers pumping them out?