If I tell you that I watched C-beams glitter in the dark near the Tannhäuser Gate that is a lie. If I write the same in fiction I receive accolades.
If I tell you on the street “watch out there is a T-rex about to eat you!” That is a lie. If i say the same thing sitting at a table with too many dice that is just acceptable DMing and everyone rolls initiative.
Humans are weird this way.
What’s you point, here? That you should be lied to when you ask, or that it should refuse to tell you any kind of fiction?
I agree with your larger point that there will be ways to circumvent these systems, my only argument is that the lie/fictional story divide is a bad example because the line between them can be made clear with a single statement.
Hardly the AI uprising, though definitely a good tool for anyone, good or evil.