"Putting clips in the middle of a video would be impossible"
The "video" was actually a flim on a projector and all you need to do to edit film is cut it
then insert a new piece of film
and glue it together.
My whole point was if they were physically and intellectually capable of doing the things I listed then it seems reasonable that they would be able to edit a film.
Anyways I guess all I am trying to say is that you are jumping to conclusion quicker than I think is plausible.

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Doctor playing golf. Woo, boy howdy, now I've heard everything. What's next, cop eating a donut?