TLDR: VW owns a stake in a test track that there is now evidence (from contracted civil engineering companies) was likely built in part using Uighur labourers being paid a pittance, likely by force. Effectively slave labourers.
Quelle surprise. If you build in Xinjiang, this is likely going to be the case.
I wish western companies would pull out of that awful country, but that would require companies having a moral compass.