Has it been shown or admitted that the quotes were hallucinations, or is it the presumption that all made up content is a hallucination now?
"...it illustrates exactly the kind of unsupervised output that makes open source maintainers wary."
followed later on by
"[It] illustrates exactly the kind of unsupervised behavior that makes open source maintainers wary of AI contributions in the first place."
The utility is that the infrenced output tends to be right much more often than wrong for mainstream knowledge.
Misquotes and fabricated quotes have existed long before AI, And indeed, long before computers.