This is the kind of hobby that can become an obsession after 30 seconds of exposure to it, so by all means let anyone that want to try it, TRY IT! Then you can sell them things.
However, it is an accepted postulate that no matter what you tell them to do, they will point the car at the nearest item with a durometer reading > 200, and go full steam into it.
Corollary: upon doing this, they will just shrug and hand you the controller like that was an act of God, while you go pick up the pieces. "Well... sorry 'bout that."
I have a Twin Detonator expressly for this purpose.