It’s not acceptable to me. Just once more in an attempt to move the eye elsewhere, untrained children will not be used for this activity. The risk is not ALARP and tolerable with this being my personal judgement as I hold the risk personally. Untrained children with no awareness of how motor vehicles work. Untrained children.
Find alternative methods of engagement with the local community and I am pleased to a see a reasoned consideration of this on this thread.