To avoid shifting goalposts
The substantive difference is that you're asking me to dream up ridiculously improbable scenarios, which is probably the actual point. Just like "The End is Near Accept Jesus" guy on the street corner gets what he wants as soon as I engage.
To quote a famous movie about doomy AI scenarios: "the only winning move is not to play."
I think your viewpoint is totally valid, and I'm not trying to argue against it.