Stanislaw Lem had a story about that too (surprise!), read by many of in Hofstader & Dennett's "The Minds Eye". The simulation-runner expresses wonderment that

Stanislaw Lem had a story about that too (surprise!), read by many of in Hofstader & Dennett's "The Minds Eye". The simulation-runner expresses wonderment that the denizens of the simulation would imagine that he cared in any way about them.