Marxist theory says that the separation between economic and state power is illusory at best and intentionally deceptive at worst. So a communist isn't going to

Marxist theory says that the separation between economic and state power is illusory at best and intentionally deceptive at worst. So a communist isn't going to think it possible to separate economic and state power, whereas that concept of that separation of powers is a foundational component of modern liberalism. It's why the two camps have a such a hard time talking to each other; they really don't see things the same way.