A somewhat expected result of the November 17th export ban on RTX 4090 GPUs to China has been that AMD's top offerings; recently rumored to soon suffer the same fate, have been selling faster than AMD or its partners can make them. Predicting the worst, some OEMs such as Dell have allegedly already ...
China will just develop its own proprietary standard
They will for sure, but I can see them also contributing to ROCm to work around the lack of CUDA computing resources