I don't think he will be commenting anytime soon again if this really is him
https://news.ycombinator.com/threads?id=il
like your neighbor being a serial killer or something
They could have just bought a Vanuatu passport with bitcoin (~$150k), then travelled there for a holiday. Leave the US with the US passport and arrive in Van with the Van passport. CHange their name in Vanuatu, then move to a 3rd country to settle permanently with a new name. Maybe change it one more time and gain citizenship in that third country, and that'd be enough to disappear for regular people.
The spooks will still find you, but without extradition powers...