More to the point, there are people who carefully ensure that those angles are correct, and that all of the angles result in the car’s occupants arriving at their destination instead of turning into a ball of fire. It’s just that this process takes place at design time, not assembly time.

Software the same way. It’s even more automated than auto factories. Assembly is 100% automated. Design is what we get paid to do, and that requires understanding, just like the engineers at Ford need to understand how their cars work.