Can someone explain, why people understanding is important? Proof 1+1=2 was created in XX centery, but people before and now use it without understanding, use it as axiom. In computer science, a lot of people use CAP-theorem without understanding their proof, because we know someone else prove it and verified it.
cause one day the planes will fall out of the sky and we won't know why
do you personally understand all the things that keep the planes from falling out of the sky?
Me and a group of aero engineers together do.