In order to escape accountability for his crimes, the perpetrator does everything in his power to promote forgetting. If secrecy fails, the perpetrator attacks the credibility of his victim. If he cannot silence her absolutely, he tries to make sure no one listens.
In the West, for example, people believe they must 'pursue happiness' as if it were some kind of a flighty bird that is always out of reach. In the East, we believe we are born with happiness and one of life's important takes, my mother told me, is to protect it.