My grandfather was POW at Changi for four years.
He saw many of his friends die; many tragically just after the war when they rashly ate too much of the wrong thing.
During his captivity his family didn't know whether he was dead or alive.
He never knowingly bought a Japanese product.
He never spoke about his experience much.
I'd like to think things would have been a lot better had he had the opportunity to meet some genuinely apologetic Japanese.