The 2500s is what I was re-reading. Fascinating stuff. Quite a coincidence.
For some other tidbits, the final Molotov was a Frappuccino bottle thanks to Time magazine.
In several early sources including Time, they say the bombs were in the kitchen. They seem to pretty clearly have said kitchen of the cafeteria when they just meant the cafeteria, but since on the CCTV Eric and Dylan enter the kitchen, one wonders.
One could do deep dives with several video games. "Blood" would probably be most interesting to confirm they played.