The tips mention NOT letting it play. When it comes on(pc starts making noise and the screens flicker to different low-res screens), you have to slap the pc to turn it off. It drains sanity and riles the girls.
Its not something you're supposed to watch, hahaha. Its a hazard. It could be a rickroll on the screen and it would serve the same purpose; it reduces your sanity and the noise agitates the girls.