Agree Ukraine has demonstrated Putin's military is not what many believed it to be. Still, no one except a couple of crazies, no not you,
wants that big a war. It would be world again. In that case i think China would likely make even more aggressive moves in their region too.
It was Plato who said, “He, O men, is the wisest, who like Socrates, knows that his wisdom is in truth worth nothing”