What Is the Status of Fantasy for Freud?

Freud's idea is that fantasy is itself traumatic. We use screen memories to obfuscate and veil the fantasy, while giving us access to it because through the screen. So his idea is truth is used to obscure the fiction of the fantasy. And I think this would be my ultimate argument against documentary filmmaking. Like- like aren't you using truth to obscure the power of the fiction? Why don't you just give it to us in the fiction and let us experience the real in that way?"