We do not live in an objective reality, we live in an experiential reality.

Yes, there is a collective unconscious, however, it is not how you envision it.
Everything is connected. Everything.

So, Schroedinger's experiment with the cat, well everyone knows if the cat is alive or dead, and the odds have to do with all the people involved and the cat. Probability plays no role.

Here are some similar metaphors

How do you explain color to a blind man? There isn't anything in the blind man's experiences to relate your experience to. (Is it appropriate for the blind man to ask, "do you believe in color?")

On this note, there are people being born now who have 4 types of receptors in their eyes. So, they can see more colors. You know that space between a double rainbow? Well that space is all filled with color. (Is it appropriate to say to these people, "do you believe in the neon colors of the rainbow?")

Go back a couple hundred years and tell people of the tiny organisms that make people sick. And they would either believe you and say, yes, I believe in tiny demons, or they would burn you at the stake. Today, we know very well of viruses.

There are three sets of push-pull forces. The strong and weak nuclear force. The strong and weak electrical force. And the strong and weak galactic force.

The world of metaphysics is huge and deep. There are all kinds of things to experience there. I wish you joy on your journey.