Because they built infrastructure and helped modernize Taiwan and cracked down hard on crime. There was even a saying in Taiwan that " the Japanese were greedy and competent but the KMT were greedy and incompetent"
So yeah Asia would probably be better off under Japanese rule if people had been honest with themselves.
However the kikes ***do*** want to eradicate our cultures, our ways of life, our identities and our gene pools.
When the French got "liberated" by the Allies, they weren't too happy either. Understandably, the rule of demons was restored thanks to the US.