QUOTE Yet I find public speculation about legal prosecution of the pilot based on the flimsiest of data and essentially zero understanding of display flying patently offensive.
The matter is nothing to do with understanding flying at all.
I believe the basic premise is that if a person, for any reason, is involved in the cause of death of another there is bound to be enquiry. The possible outcomes certainly include involuntary manslaughter.
It happens frequently on the roads: drivers make misjudgements or drive unroadworthy vehicles, or under the influence of alcohol or drugs, or when tired.