Insist you have the talks in one of the United States many concentration camps prisons that just so happen to house a disproportionate amount of minorities in well-documented conditions that have been critiqued by the UN several times, as they are worked to the bone as free labour paid 0.01 $ an hour. Or Guantanamo.
it'd be amazing if china sent a diplomatic mission to the US that did nothing but look at prisons, and complain that they werent allowed to inspect the CIA blacksites...
The UN kinda did something akin to that in '15 or '16. They sent someone to investigate the quality of life in the US. The guy who was in charge straight up said that "the US is always quick to point the finger at other countries, so we figured it was about time we looked in their backyard". The report itself is kinda what you'd expect: It concludes that by (almost) all measurements the US should have been classified as a "developing country" and it only didn't because it was the US. Kinda damning