For a family to pay for a "gun vacation" to get their kids familiar with full auto just sounds icky for some reason. I have no problem with semi auto at those ages. If your 8, I would have held on to the fore stock and let them pull the trigger. Hitting the target doesn't even count for this type experience.
I grew up in an age where the dad took care of teaching firearm safety. How times have changed.
At any and all NRA-compliant ranges, THE INSTRUCTOR IS 100% IN CHARGE. His bad call; his fault.
It’s as bad as handing a 16yo kid the keys to a 427 Cobra, F-40 Ferrari or 426 Hemi Cuda. Something bad’s going to happen.