12 penalty points ≠ ban

What I am saying is that you would be battling perception - it is widely accepted that the current limit is fair, I think people would view a total ban as unfair.

I dunno, I think No Drink is fair.
(Speaking from a hypocritical position of being a drunk driver once or twice when living abroad)

All of that aside it will have zero effect on the people who currently flout the limit.

This