This will definitely change though. As LLMs get better and develop new emergent properties, the gap between a human written story and an ai generated one will inevitably diminish.
Of course you will still need to provide a detailed and concrete input, so that the model can provide you with the most accurate result.
I feel like many people subscribe to a sort of human superiority complex, that is unjustified and which will quite certainly get stomped in the coming decades.