If you are talking the real Satoshi, avoiding governments coming after you for aiding money laundering and the like and avoiding gangsters kidnapping you or loved ones for crypto ransom.

The real one has passwords and private keys if they need to claim stuff. He last popped up as Satoshi in 2014 to write "I am not Dorian Nakamoto" when that guy was getting hassled.

When they used the untraceable pseudonym the Bitcoin market cap wasn't $1.4 trillion, for one.