I'd say that whoever is in charge of the web filter at my school just hates fun, but I'm pretty sure whoever is in charge of Lightspeed Web Filters throws darts at a board covered in names of websites while blindfolded, and they just block whatever the dart lands on.
Many websites are blocked as mature content despite all the mature content on there being user generated and having warnings. They blocked Neocities, Weebly, and Wix, all for being "mature websites", when they're all website makers. Toyhou.se, a database for people's characters and designs, is blocked for being mature as wel…