Airshows are always popular, but the world safety record over many decades of these events is terrible. Not worth it in lives and lost resources.
I might be inclined to agree with your if at an airshow we are asking a pilot to perform outside of his training.
I am reminded of a study which showed that actual engine out real aircraft training on multi-engine turboprops resulted in more accidents than all other flight experience. This kind-of suggested why simulator training might be more appropriate to reinforce training lessons learned.
just food for thought