This is unreal. He was very fortunate to die so quickly from his injuries. At his age, full thickness burns approaching 50% of total body surface area have virtually no statistical survival rate. If they could have managed to save him, he would have endured torture beyond anyone's imagination. Infection usually renders the victim to a delusional state that I pray is one of unawareness.
I can understand the average John Q citizen not knowing what to do when encountering this situation ..and I have to debate if he would have been better served by saving him. If someone was right there, and could have managed to put him out before he burned too badly, then it might have worked out.
I watched my father die over 6 weeks with 60% full thickness burns. It's a sad thing to witness. All the while the machinery around him is photographing him and "doing all we can" ..to do nothing that we can alter in outcomes. I don't think Mengele could have come up with a more business as usual calmness in it all.