If I were Xi, I’d be ribbing my hands with glee.
No, he is brighter than that. Since day one, our nuclear war SIOP has been that if we go on Russia, we go all out on Chinese cities at the same time.
Our Ukraine war screwed up the slightest chance at China and Russia not being aligned.
But it’s hard, nearly impossible, to imagine -any- US/Russia war that China manages to stay out of.