https://hackernoon.com/the-amazing-story-of-cryptocurrencies-before-bitcoin-fe1b0e55155bHe made a strategic move. If he/she was named and doxxed the government could discredit, villify, grab his private keys, who knows? Waterboard him? God knows. After hitting $19000 in December 2017 I bet the authorities have been hunting his ass down with a hardon for a long time.
He did himself and the general public a favour. By being a John Doe then there is no central authority. No one to turn to. No one to blame. If we immerse ourselves in the technology then we have to take ownership of our own actions

I quite admire him actually. Something I couldn't do.