mvuent's discussed this thing before about what are known as liminal spaces - think empty lobbies, subway tunnels, places which have an uncanny quality to them and exist between other spaces - and these clips are of things occupying them.
I might be way off, but I'm assuming 'The Backrooms' is a general term for the equivalent of when you fall through a wall in a game like Grand Theft Auto and realise there's a big grey space hidden behind the game, like the corridor full of doorways in
The Matrix Reloaded or what Luke says about psychedelics taking you into an actual place where there are other entities on the line.
We talked about it a bit here -
i wouldnt say its been coopted cos of the masks but feels like it has a structural role... like how terrorism works in the film Brazil. as a justification of power and some of the measure power enacts
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