I appreciate the innovative character of Land. And as I tried to point out, here in Europe one most likely did not, or could not even think of such camera system.
But still one must see his invention in context of what already had been developed and on what he could build upon, even for free. And to be fair one could even go beyond Gevaert and Agfa, back into 19th century to first ideas on this process.
To me it seems that lecturer read a book about Land and an article about Impossible and from this made his lecture. A lecture that was entertaining nonetheless for the uniniated.
Concerning Impossible, after launching that firm they wrote their own hagiography, which is in contrast to what was said before. And the idea to and technical knowledge how starting that endeavour come from the outside and long before that special day, hinted at in that lecture.