There's at least one member of the constabulary on here who might pass this on - so the police don't even need to watch YT.
A lot of motorbike riders seem to do this crazy riding. I'm not angel when it comes to driving but if the stuff I see shocks me, then clearly there is some real crazy riding going on.
Thing is, on two wheels, it's gonna hurt whatever happens.
I saw a bit of road rage last night - white 2004 E Class estate (WX04***)was ahead of me going down a slip road and an **** on a bike undertook him and pulled in front so he had to brake.
He then did the same to the bike which was fair enough as the bike didn't need to do that in the first place - and the bike just undertook him all of the cars on the hard shoulder.