Largely, it is profit. The "unblocked" ecosystem is an SEO (Search Engine Optimization) goldmine. Students and employees search for these terms millions of times a month. Sites that manage to stay "unblocked" for a few weeks attract massive traffic volumes.
Beneath the technical jargon lies a deeper debate about the nature of the internet. more or less unblocked
The setting and "normal" world your character inhabits before things change. Largely, it is profit