Satoshi will never come or maybe he is already dead. His fee is never possible. and the biggest thing is that if the real Satoshi comes and reveals himself now and says that I am Satoshi, no one will believe it. Because how do you verify that he is really Satoshi Nakamata? But if he ever comes back to it, the only question I would ask him is how did he get the idea to create Bitcoin?
The ability to have full control over our funds could be no other reason but the best reason why Satoshi would ever have made this project. As we all today could testify by our present experience to Bitcoin
And why he kept himself completely secret after making it.
Satoshi's disappearance, to me, was indeed the best decision ever made for the growth and development of Bitcoin to what it is today, because who knows if only had he revealed himself, if Bitcoin would ever have gotten the value it has today, as his project would strongly had been fought against by both government and Central banks for creating Bitcoin which made people chose it as the best choice for long-term investment instead of saving money in our traditional bank.
And what was his main purpose of creating Bitcoin that he had to remain anonymous?
For privacy of transactions. I don't think there could be any better reason than this.