Anything that learn how your car reacts with help you, AutoXes & DE fit that bill. Hell, yesterday I was coming from a meeting, 3 lane road that curves at an intersection. A big truck came into my lane, and with no escape route (telephone pole ) and a 50mph road meant split second decision, get hit by the Plumbing truck, hit a telephone pole if I couldn't couldn't get my Trans Am stopped & not get hit by the truck . Course this all went down in a matter of seconds, and while my tires got toasty, no feathers were ruffled on the Thunder Chicken
Had it not been for the time I have spent at the track, which started with auto-Xes (and I still run SCCA ones when I can) I would not have been as aware or prepared to properly react today, understanding how my car would react to quick maneuvers & braking.