Well, duh. It's never been about whether the document is an exact duplicate or not, because it clearly isn't. The question is whether there is an explanation that doesn't involve forgery, and this expert believes there is, and she is correct.
“The question is whether there is an explanation that doesn’t involve forgery...” - kleon
Why not search for the truth, instead of a possible explanation for all the anomalies in the WH LFCOLB?