I very much doubt the Trump administrations cares about Uighur Muslims any more than the CCP. Also funny how they need to wait until Trump's last day in office before lobbying any real criticism.
Alternatively, the only reason they're doing this now is because they no longer are the ones who have to deal with the fallout from it.
I think most people on the planet realize at this point China is bad, there's also a reason they mostly keep their mouths shut and continue to deal with them.