"Bitcoin is well-known and trusted because it is decentralized and not controlled by a third party. If Satoshi (he/she/they) were to reveal himself, I think it would kill the entire purpose of Bitcoin being decentralized. Although he may not actually be able to control people's Bitcoin, there would be a number of people who would doubt Bitcoin if he made himself known. Additionally, it would have made him a target, especially for governments and organizations. So, it's pospossible that anonymity was chosen for the creators safety