The website that she refers to in her video, and the massively wrong verbiage in the paragraphs proceeding, is definitely not "AI Slop", this is a pretty common thing to see in mass website farms from India.
Go ask chat.openai.com to explain GLTF and GLB to you, and it's not going to have any of this weird grammatical error shit; it explains GLB pretty succinctly, because it's a widely discussed subject.
Unfortunately, sooooo many people are worried about AI, that they're attributing anything and everything to it now. These types of grammatically broken websites existed before any kind of useful LLM text generation, and they'll continue to exist afterwards as well. But they are not AI-generated.
AI hallucinates and generates jibberish when you're asking it to generate text about edge cases and knowledge bases which aren't commonly talked about. This is not one of those examples.