until it isn't. then the semantic librarians have to re-classify everything. while an army of them spend months on their RDFs, OWLs, & re-taggings, a lone undergrad overtakes them in a week with a web scrape & word vectors.
seasoned programmers struggle to figure out the "right" API for a single purpose, and still get it wrong. good luck figuring out the "right" API for the sum of human knowledge & our ever changing interpretations & interrelations of it.
the semantic web is philosophically bankrupt. schemas and curation lost to the algorithm, by a wide margin, and for a good reason. ontologies are infinite.
The article presented no evidence as to the source of these specific poisonings. "It was the pipes!" is sloppy guesswork. There are so many contaminants in the environment today. It would be better for everyone if they broke out the test kits & left no stone un-turned. Remember what they say about assumptions.
I believe that's how JWZ's XScreenSaver works, but every distro decided to re-invent the wheel there for whatever reason, then blame it all on X11 when it inevitably fails.
that, and people lie.