Original sentence: NVIDIA does not provide the documentation for their hardware, which is necessary in order for computer specialists to write appropriate and effective open-source drivers for NVIDIA's products
Edited sentence: Because of the proprietary nature of NVIDIA's drivers, they are at the center of an ongoing controversy within the Linux and FreeBSD communities.Contrary to many requests, NVIDIA doesn't provide the documentation for their hardware, which is necessary in order for computer specialists to write appropriate open-source drivers for NVIDIA's products that would be of high quality.However, there are also users that are content with the officially-supported drivers.Many Linux and FreeBSD users insist on using only open-source drivers, and regard a binary-only driver as wholly inadequate