He was teaching them how to manipulate distributed database entries that they have the explicit permission to use via their own private keys. If that is anywhere near equivalent to murder then I have a bridge to sell you.
Next up teaching north korea how to farm better and how to dodge sanctions importing fertilizer is bad, because then their people wont starve as much and therefore can do more evil in the world via more energetic soldiers.
Helping the North Korean government do anything is assisting a government happy to let their populous die while resisting sanctions.
I don’t think I compared it to murder from an immediate seriousness perspective, but I’m sure the impact of Bitcoin on NK would cost more than one life’s worth of quality of life (improving the bottom line, helping the country resist sanctions for longer, etc).
You sound like moral, ethics and laws should work like a child sees the world.
He wasn't just teaching a country to manipulate bits and bytes he purposefully ignored all risks and existing laws to help break sanctions decided against a country based on geopolitical situation guided by matter experts.
Wouldn’t you go to jail if you taught someone how to plan a murder, with the knowledge they clearly planned on using that information?