I think that Oliver's main point is more - where do you end the discrimination once it starts? Who judges where the discrimination starts? Majority rules?
Thank goodness governments are run by postcode data...wait...nevermind...
The fact is that driving standards are set so low as to allow *anyone *to drive. It shouldn't be someone's right to drive on the road, it is a priveledge which should be taken away if they are a danger to other citizens.