We owe it to the future of mankind to be good to one another so we can have a healthy, prosperous society where we can continue to use the scientific method to improve our lives by discovering the unknown and creating a better way of life.
What applies to a 4 year old, applies to politicians, parents and significant others. We are all responsible for our own actions and it is never too late to do the right thing.
Biases in perception, probability estimation, and ethical decision-making all threaten our ability to make choices consistent with our values. For example, the availability heuristic combines with omission bias to fuel the anti-vaccination movement.