For all the beginners...................

It's not a given which way a plane will pitch when flaps (or ailerons being trimmed in the same direction) or spoilers are deflected, deflected either way.

For example, many models have been designed to turn in pitch EXTREMELY fast. They were designed to turn inside very fast and to turn outsides just as fast. With those airplanes when A happened the airplane nose pitched even faster DOWN, and when B happened the nose pitched even faster UP. Why? Because the wing was increasing lift in the direction of the turn, either way and that lift helped the elevator pitch the plane.

There are models that pitch nose down when their flaps are deflected. There are others that pitch nose up when their flaps are deflected. It depends on the airfoil, the balance of the particular plane, and the location and size of the tail. And the airflow aft of the wing. And maybe one or two other things.

There is more to it than a sound bite.