I actually have an answer to why it was different. It was different because the Napalm Girl photograph did not actually end the war. A year before the photo was taken, a majority of Americans already believed it had been a mistake to send troops to Vietnam. www.theverge.com/cs/features/...
“Why did one photo of a burned child help end a war, while hundreds of clips showing burned Palestinian children can’t even provoke a ceasefire?” Exec. Director of the Institute for Palestine Studies-USA @jehadabusalim.bsky.social on the reaction to images from the Vietnam war vs. Gaza