The text of the license is smaller than that blog post. And, yes, it contains answers to all the posted questions The author is pointing out that the text is a

The text of the license is smaller than that blog post. And, yes, it contains answers to all the posted questions The author is pointing out that the text is ambiguous. So yes, although it's shorter, it may not indeed contain all the answers. We can argue whether the poster is correct and whether there are ambiguities in the GPL, but your argument doesn't address the question. I don't know the answers to those questions and I'd be surprised if anyone could answer all of them with certainty.