From what I have been told, she based those judgments on demonstrably erroneous assertions and assumptions that are documented. I claim no deep understanding, but very wise people whose counsel I respect and count on, have pointed those things out to me.
I have not doubt that she is highly intelligent, but this is a very thinly sliced area of understanding and expertise, and it can be easy to make a mistake based on an honest misunderstanding of the facts and/or physics of key elements of this case.