how could you separate actually will power from the illusion of will power?

You know the conversation has strayed once you start debating epistemology.

This is the opposite of straying it’s actually a real conversation

What's that old quote, you're not getting somewhere until you're going nowhere

I always thought that it’s uncertain if free will exists, but you have to behave as if it does otherwise the world falls into chaos.

That's just what the people with free will power tell those without.