Check out this video and thread on Nasioc. Basically, a perfect illustration of what can go wrong when there are no competant workers, or even no workers at all. A collant slick on the track entering a turn almost wipes out some nice cars. Good drivers make it a close call instead of a disaster.
Yes this is at a track day.
check it out
http://forums.nasioc.com/forums/show....php?t=1089013