His licence could've been suspended for any number of reasons, such as not paying motorway tolls because the notification or mail are going to a wrong address, whatever, who knows, point is we don't know why his licence is suspended.
It was low range DUI. Given that DUI of alcohol is legal until a given point, it also follows that a low range DUI could be somewhat accidental.
Despite the headline we actually have very little information to know exactly what sort of punishment the lad deserves. I certainly wont be judging him.