Cirdan
Senior Master
The point of our existence isn't the point. Family was the point, until very recently.
Family too does potentially much better without man-made gods.
Just because Santa Clause is fiction, does not mean children don't behave because of him. Think of all the things you don't believe about the concept of God as the glue that holds together everything you know.
Nah, I behave because otherwise Thor will smite me with lightning.
Jokes aside perhaps imaginary superbeings and fear of their punishment did us a service in the iron age keeping tribal communities sort of unified.. but such delusions are overdue to be put away unless proven to be true. As rational beings we are fit to take responsibility for our own actions.