Yeah, you can count SCP as unfiction they are stories meant to suspend disbelief so in-story they are taken as fact. A good example, if you want to dive into unfiction, I really like the "Monument Mythos" series it is really interesting.
Used to work with a textbook coordinator for an elementary school back when I was just out of high school. At least one 5th grade textbook a year ended up looking like this.
It's always funny to see content creators you watch appear randomly somewhere else Wendigoon is a great long form content creator for unfiction and conspiracy theories and here he is talking about a printer.