You could have just focused on the posts in the thread that talked to the current legal problems concerning signing off on the binary blob as part of a merge. Both of the Dave Arlie references I gave above include some discussion about the sign-off issue which you could have selectively quoted from. There's something significantly important there I think in the premise that Red Hat legal review has a higher bar to meet on sign-off into the upstream kernel than what is required to include in Fedora.
And if you wanted to be overly sensational there's the short lived Alan/Linus sidebar discussion concerning what the agreed on rules concerning sign-off and merge actually are such as the following:
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