The goal was never good simulation; it was answering counterfactuals, and a value function does that job as well as a simulator does.

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Our reading — they may agree, disagree or merely touch the same thing. Closest first: a shared subject counts for most, then how near the wording is.

• Learned approximations of slow simulators change what science is possible, by turning a six-month screening run into something you do over lunch. JDJeff Dean30 Jul 2026similar wording
• Building a realistic simulator is exactly as hard as building the agent, because the simulator is itself a large AI model. DDDmitri Dolgov3 Aug 2026similar wording
• Value functions only make reinforcement learning faster: anything you can do with one you can also do without it, just more slowly. ISIlya Sutskever25 Nov 2025similar wording
• Object orientation is overrated: it was born of simulation and is now applied everywhere, including where it does not fit. RHRich Hickey2 Jan 2018similar wording
• The value of an ambitious experiment target is not hitting it but the conversation about what would have to be true to hit it. ACAlbert Cheng5 Oct 2025similar wording

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