According to the same source (site), it looks like emissions in China have plateaued in Q3 2024 as compared to Q3 2023. So we’re already seeing some effects. https://www.carbonbrief.org/analysis-no-growth-for-chinas-em...
I agree with you that the coal capacity buildouts are worrying. The best we can hope is that China has just structurally misallocated a bunch of funds, and when it comes time to burn that coal, continued improvements in renewables and storage will make all those plants unprofitable. That’s what’s happening most other places.