> No room for primitive religions leading us to stagnation or even reversal, when we can understand very well what sun, moon and stars are, why they move as they do, or why lightning happens and why weather patterns are what they are.

Do you mean this literally, as in this is knowledge (JTB) that you possess?

> Pursuit of meaning of life is completely different topic

Is this a part of reality, or of something else?

> no need to try to mix those two

How does one go about accurately determining what is needed?