It's been fairly well known for years that nvidia only supports linux gaming as an afterthought. In fact, if you'd read the whole post you'd have seen where they said:
"I'll probably try again in a few months, and hope the GPU support is better. But that's also explicitly riding on nvidia to do."
"I'll probably try again in a few months, and hope the GPU support is better. But that's also explicitly riding on nvidia to do."