No Gods. No Masters.
Another way to look at this is:
men place animal famous for biting and tearing things apart, a literal "terrier" in front of expensive machine and are shocked when the obvious occurs.
I agree. I watched a longer version on YouTube (it's called Nipper Runs Amok, although this isn't the original Nipper, who was dead by then), and they're smiling and laughing through the whole thing.