I will always associate the ominous soundtrack in the first video with Illuminati YT rabbit holes on Baphomet, creepy rituals, and “satanic” lyrics sung backwards lol, which is unfortunate..
This sort of looks like a simpler version (a similar concept, but less complicated) of “The Library of Babel” by Jorge Luis Borges, which is a fascinating short story about a library that contains everything that ever was mixed into a background of gibberish.
I totally recommend you read it, even if you’re not into short stories.
The pdf:
The Library of Babel
This guy explains the backdrop of the storyline better than I can:
Someone actually made a website using an algorithm to create a microcosm of that universe.
The website:
https://libraryofbabel.info
Explained here: