Thus...
the field of Ergonomics exists to prevent just this kind of thing, but folks do get
somewhat cavalier about well-known machinery after 20, 30, or 40 years of operating
it. And sometimes they can't afford the newest, coolest equipment. And sometimes
people really do work 16-hour days on such machinery.
There was a kid (about 11, I think) on a farm in the northwestern US. Some machinery with an auger for moving grain caught the sleeve of his jacket and pulled his arm in. When trying to free the first arm with the other arm, the second sleeve got caught as well. He managed
to keep the rest of him out of it it, but lost both of his arms.
There's an article addressing the number of deaths and injuries due to farm machinery
here: http://www1.umn.edu/umnnews/Feature_Stories/The_real_cost_of_food.html
It's probably not much good for sarcastic jokes at the expense of someone else but
is worth reading for those who want a perspective on how lovely life is for those not
hauling in 6 figure salaries in front of a keyboard.
Perhaps it's not so much funny as uncomfortable and tragic. We get to sit in front of nice, safe keyboards and pretend that they're injured only because they're stupid: "They'll be doing us all a favour if they snuff themselves out of stupidity."
Nice.