The current system IS voluntary. You can leave any time you wish. No one is forcing you to stay. If you don't like paying the taxes, are unhappy with the services, or just want a change of scenery, you're free to go.
It's tough for him to swallow that truth. It's much more fun for him to think of himself as a rebel and an independent thinker.
EDIT: bitcoin2cash, now you can see what he said, as I quoted it for you.
