I don't see any major problems with that opinion piece. Seems quite level headed to me. The war has indeed accelerated yuan usage in the world, but this shift is more predominately shown in Russia and a bit in Central Asia.
So yeah, first Russia, then RMB influence will spread even more to Central Asia, Middle East and beyond. Its a step by step process. Russia was the first domino to fall, which is why we must thank the West for providing China with such an invaluable help