Yeah, the US did and is doing fucked up things. But we're talking scale in the modern era here.
How much longer will the Uyghurs be able to speak their language when china bans Uyghur language books in Uyghur schools? Why does China put up signs at those schools saying that only language permitted on school grounds is Mandarin? Why is china sending hundreds of thousands of Han Chinese to Uyghur home for days at a time to ensure they are speaking Mandarin?
Maybe the US can heal better and faster from its atrocities, but China is actively pursuing atrocities at an official industrial state level.