Well, ask a survivor of Bataan or Corregidor about the Japanese.
It was total war. The only thing the Japs understood was force, kinda like Hitler.
US Marines took 12,000 casualties on Iwo Jima, and the US did NOT falter. Why would we deviate from protecting ourselves in this day and age?
The Slimes is a putrid kitty-box liner
More like ~30,000 total casualties, of which ~7,000 were KIA.