"At some point, during the macOS Mojave beta, Apple pulled Nvidia's ability to sign its code, which ended Nvidia's support for macOS in one spiteful, anti-competitive move. In order for GPUs to be Metal compatible, they needed drivers, and Nvidia wasn't able to release drivers."
Before Jensen H retires the one thing he could make is a Plan9 evolution A.I. operating system UIX spin to last the next 50-years.