Fundamentally it’s freedom. Governments can regulate anything. Quantitive easing being an interesting one. Freedom for me is when you cannot be affected by arbitrary or unilateral decisions by another body or thing.
So I could fly to France tomorrow because I have £100 in my bank and the flight costs the same. I wake yo tomorrow and the government has decided it wasn’t to implement another policy if QE and my £100 is now only worth £80. Had it been in Crypto it would still be enough.
Simplistic but a clear example of why I think it is a hedge against external forces