Japan did some very nasty stuff in the pacific, rivaling leopold in depravity. Do we attribute polpot to the Japanese, or the stuff in Burma to the Japanese?

Japan did some very nasty stuff in the pacific, rivaling leopold in depravity. Do we attribute polpot to the Japanese, or the stuff in Burma to the Japanese? Moreover they really fucked up Manchuria and Korea, yet I don’t see the same legacy of strife due to a foreign powers legacy so reverberating so debilitating…