Because he is a dodgy BS-er, with the gift-of-the-gab, which we have all seen and heard over the years, the gullible, the impressed by his wealth and daily Big Mac munchers fall for it, have you...?
The problem is, these tools KNOW they shouldn't be on the road in the first place, if they did cause an altercation it would be too late for those affected......
So you think these motorised one wheel things with probably no brakes are OK to drive/ride amongst the public.......? π€
You, would soon complain if they had caused an accident.............