[mrweasel]

True, but imagine going to Ford and asking: How does your cars work?

If they came back with: “Frankly we’re not entirely sure, we just jigglede the handles in the factory until they came out like we wanted them to.” Then they’d not be allowed on to sell any cars anymore.

[qwerpoi]

You mean kinda like how no one truly understands aerodynamic lift, but we are still able to create great airplanes because we have accurate models and do loads of testing?