No, but I'm able to read and modify the code for all of the in-tree drivers, which are the only ones in use on my machine. There's also a large difference betw

No, but I'm able to read and modify the code for all of the in-tree drivers, which are the only ones in use on my machine. There's also a large difference between a closed driver or firmware blob, where the function is known but the workings are not, and large portions of the userspace, including system services and applications, that are entirely opaque.