Earlier quoted context omitted.
Everything from that list is from within the last 60 years. While China was murdering between 60 to 100 million of its citizens, America passed the Civil Rights Act.
I don't have too much time to educate you on these things but just to note: Re: "60 to 100 million of its citizens" is just straight up wrong. There was a Great Famine in China* - Mao did not murder up to 100 million citizens. Are you serious? Your own source says as much. Re: Social Credit System (SCS) - By pretty much every metric the SCS has not resulted in massive discrimination on the scale of racism and sexism…
And by all accounts the situation in Xinjiang is much worse than Guantanamo Bay. To start, Guantanamo Bay at its peak had under 800 people imprisoned. Xinjiang re-education camps are estimated to hold 1-3 million people. So the scale is massively different. It's hard to know exactly what happens in the camps, but the reports of torture and organ harvesting don't paint a rosy picture.