Actually, King Louis XVI not only was willing to accept reforms, he actually ATTEMPTED to make reforms in person. Unfortunately, most of the atheists helming the mobs thought he was too slow or less radical in his changes, and they decided to just off him. And that’s assuming the atheists heading the mobs actually CARED about reforms and just wanted ANY excuse to off the king for their own reasons.
Yes. Robespierre was only interested in Power.
It was all Machivellian