An ANPR camera is fine to spot an untaxed car but it doesn't stop it, fine it or knows where it goes.
Pre the rise of electric vehicles I was in favour of scrapping the road tax and adding a few pence per litre to fuel then there's no avoiding it but that ship has sailed.
Linking VED to insurance only really works if the renewal dates are aligned and the article does say many cases are only for a month or so which could point to people forgetting rather than evading.
