They have been making real improvements the last few years. Most of their proprietary driver code is in firmware now, and the kernel driver is open-source[1] (the userland-side is still closed though).

They've also significantly improved support for wayland and stopped trying to force eglstreams on the community. Wayland+nvidia works quite well now, especially after they added explicit sync support.

1. https://github.com/NVIDIA/open-gpu-kernel-modules/