Amazing that one one got KILLED!!!
IMO the average German driver is much better than those in the US, more road aware, pulling over for faster traffic (except for those double up motorcyclists!) and being consistent in their path of traval. On any US road with similar conditions the chances of pulling this off without someone being dead are about ZERO! In the US most never look in their mirrors, and even if those that did, won't look far enough back, a simply "unexpected" lane change and it is all over.
I noticed the lean angle on one of the turns was pretty extreme, with the car in close pursuit. Just a wee bit of bad pavement and the motorcyclist would be under the Porsche.
Suprising that this clip wasn't best runner up for a Darwin award.