To be fair, that quote in the original article could have more context. By "The tool" they meant "AI-assisted support tool"[1]; perhaps they meant that the issue was not an AI hallucination inherent of the tool, but a fixable bug.
[1]: https://www.documentcloud.org/documents/28202858-meta-ai-ag-...
In that case, the statement is so meaningless as to be useless. Why should we care how Meta splits up their microservices? The tool still failed. They just want to redefine the "tool" as something else, anything else, to avoid having to admit something negative about their precious AI.
> The LLM correctly generated tokens according to user input, however due to a bug in a separate code path, the system did not properly verify the email address
> Nginx correctly handled the user requests according to the HTTP standard, however due to a bug in a separate code path, the system did not properly verify the email address