All kidding aside, and when there's not going to be any major litigation because no one was hurt, the owner/driver should really explain what it is that happened so that others can learn from it. Not talking about it doesn't help anyone. I remember when one of our members here "shot the ramps" out from under his back wheels and nailed the ankles of a family member -- it never occurred to me you could even do that. This
"I don't want to talk about the accident..." is bullsh*t. As an example, I specifically installed a neutral safety switch on my car after reading about a Cobra "driving off by itself" after someone reached in to start the car, believing it to be in neutral, and it wasn't.
I tend to do that myself sometimes during tuning sessions.