Being too literal
Usually being literal in music videos means images that illustrate exactly what the words are saying.
Here it’s the inverse: the words exactly describe the images from the camp video for Total Eclipse of the Heart (WARNING: the video quality is atrocious)
The humor comes from the bad over-the-top visuals (slow-motion doves, wind machines, fog machines, to say nothing of the backlight), but also because the words are so literal.
Being too literal is a form of extreme synchronicity.