Most independent people who need 3D performance for CAD might be using Windows, but the VFX industry need 3D performance on the desktop and they heavily use Lin

Most independent people who need 3D performance for CAD might be using Windows, but the VFX industry need 3D performance on the desktop and they heavily use Linux and NVIDIA (at least at the high level). AMD is almost nowhere to be found - it's all CUDA (for any GPU compute stuff) and NVIDIA's drivers.