There have been a lot of these recently:
A lambo in Germany was totalled by the techs.
A BMW M5 was destroyed in Texas by the service tech after a routine oil change.
http://www.m5board.com/vbulletin/e60...-drive-97.html
A Corvette was destroyed in the Netherlands by the dealership.
http://www.corvetteblogger.com/2010/...s-c6-corvette/
Seems there are lots of high horsepower cars out there and no experienced drivers.