This is the same JCAB that now insists on rendering FMC's redundant by demanding that we all get radio vector clearances and clutter up the airwaves with useless chatter.
The only reason noone did anything is that the guy was obviuosly a Yakuza and the japanese authorities don't want noisy vans parked outside airline offices calling the captain's wife a harlot.
The one thing you soon learn about Japanese authority ( that well known oxymoron) is that they are weak agin the strong and strong agin the weak.