It's the same difference between a jacket and a straitjacket. Well, it's someone who reads Marx and Lenin. It's someone who understands Marx and Lenin. A friend of mine was asked to a costume ball a short time ago. He slapped some egg on his face and went as a liberal economist.
Freedom is the right to question and change the established way of doing things.
It is the continuous revolution of the marketplace. It is the understanding that allows to recognize shortcomings and seek solutions. The best minds are not in government. If any were, business would hire them away.