Yes. Bitcoin provides a more transparent system and not to control by a single person or institution. The traditional financial system has a lot of weakness that harms many people. People must be bored with this situation, then Satoshi offered the solution with Blockchain and Bitcoin.

Correct. And why other people always asking his identity? Actually I think they are likely looking for something with spreading this question. All people must know that Satoshi must hide his identity for various purposes. So, why bother him?