People are motivated by many things. They don't need fairy tales. Religion and superstition has ruled over people for thousands of years. Let's give evidenced-based approaches a few millennia before we go back to that garbage.
So far evidence-based approach seems to end up as YOLO-style approaches.
Overall culture seems to be more and more nihilistic and individualistic after dropping religion. Few people may be doing the right thing and say that we have to care about future generations. But wast majority, looking at their actions, doesn’t care.