While personally disagree with its usage, will not get into an uproar over people harboring a huge grudge against the Japanese (the paranoid part is suspicious that they do so because it's an 'acceptable' way to be racist; improbable, but just a hunch). Hence comment 133, where JAPS was replaced with Japs instead of Japanese. Referring to them as animals was stupid, and capitalizing Japs was confrontational, but, while offensive, Japs is the most acceptable while keeping his disgust with the Japanese clear in his post.
You should have been pinged to comment 148.
Regarding the term Jap; in the 1st Marine mess tent was a sign above the entrance that simply said, “KILL JAPS, KILL JAPS, KILL JAPS” This was meant to dehumanize the enemy. As I will be going to war in March I intend to dehumanize my enemy so I will not have the slightest hesitation in pulling my trigger. War is hell and I have no desire to kill my fellow human beings. But as I said war is hell. Political correctness can get you killed in combat. Stereotypes can saves lives when lead is flying around.