Maybe truth in the end doesn't really matter? Only actions taken from perceived truth that increase the fitness for a moral, rule, opinion or belief. Debate an

Maybe truth in the end doesn't really matter? Only actions taken from perceived truth that increase the fitness for a moral, rule, opinion or belief. Debate and arguing maybe are just entropy like random mutations in DNA that drive cultures to differences where some are benign, some fatal, and everything in between. Morals or rules you see universally across cultures may have been highly selected due to their necessity. Culture and morals change over time because our environment changes, the context differs. Maybe that could be called truth?