Nvidia has started asking large GPU buyers who their end users are (per The Information): https://www.theinformation.com/articles/in-an-unusual-move-nvidia-wants-to-know-its-customers-customers?utm_source=ti_app&rc=gomoa3

Their focus seems to be on picking favorites in a crowded market, but this could actually be an interesting hook for "know your customer" diligence to prevent horrific abuses of AI, if they cared to do that.