It makes sense to me, he's trying to make something that can answer this question: https://youtu.be/dEv99vxKjVI?t=1909
Interviewer: "What would you ask the AGI"
Musk nervously stares around in his view, not focusing but like a person pretending to think hard to prepare a lie. Licks his lips. Seemingly distressed by the question or his immediate answer. Says
"WhaT's OutSiDe thE SimUlATiOn"