Rest assured that my comments are not meant to sound amusing in any way, form, or fashion. What if a pack of dogs were chasing a deer in your direction and the deer collided with your tractor, or even making you quickly divert the direction of your tractor by the deer's sudden crossing right in your path? Another possibility? What if the operator suffered a stroke or even a mild heart attack? Going into diabetic shock is another possibility if the driver is diabetic. If his body temperature or sugar level suddenly drops or elevates, temporary loss of motor control is a reality.If the operator suddenly suffers the loss or use of one or more of his limbs, he would be limited in his control of the tractor. The machine would most likely continue on its way, and if it struck a rock, tree, or other obstacle at an unexpected angle, the tractor might turn over. The results may be costly. I don't think that anyone is purposely trying to change your mind in their suggestions. You are your own Man. Most certainly they are only trying to help, and I know that I am only trying to help.