Like many industries these days, workers are trained to do a task - follow a procedure. There is little return on investment to have people in these jobs trained above and beyond - it’s not the role. Just the reality of job in many industries today.If everyone did their homework like you seemed to have done, perhaps there would be aftermarket tuners that would allow this. Unfortunately, almost nobody digs in as deep as you have. Have you ever tried asking anyone at the dealership a question about the 4-wheel drive systems in any of the Jeeps? They're stunningly clueless every time I've asked over the years.