We know Putin by now. What you are proposing did not work since he's in power. He kept escalating. MAD worked on dictators just like him before. Actual power is

We know Putin by now. What you are proposing did not work since he's in power. He kept escalating. MAD worked on dictators just like him before. Actual power is the only language his ilk understands. Or in 10 year you'll see the entire Europe in his hands while the rest of the world is being carved between him and Xi.