I was reading a wiki article about DRM, and I found in the Development paragraph this:
Torvalds, as top maintainer of the whole kernel, holds the last word on
whether a patch is suitable or not for inclusion in the kernel.
So, how is it possible that one man holds the last word whether a patch goes in? In a project of that size, it is not possible to be an expert in everything. Does it mean that he checks every patch?