Wow! That was crazy.
Jeezus Marion Joseph Unnngh.
Both of those guys were fired, unless they had many years of accident-free driving and were “in good” with their bosses.
Seems stupid to do something like these guys did, but as one who drives trucks, I can say that when you do something many times every day it’s easy to overlook routine things, like lowering your dump box after you dump. And then, boom. Unnngh.