It’s hard realizing that it’s a messy world full of people who do bad things to each other for stupid reasons. Just remember:
Roses are red.
The sky is blue.
Single-party authoritarian ethnostates leverage the absence of a free press to hide mass atrocities against ethnic minorities.
The only one arguing against documented historical facts and ongoing reality in this thread is you. The PRC isn’t some magical place where people don’t do awful shit to each other. They’re just really good at covering it up.