Konkordski
Perfectly true and perfectly useless. I won't quote the usual joke.
Your statement applies equally to a stone resting on the ground.
The objective is to understand the forces acting on an airplane, taking a simplified approach at first and eventually a more refined and complex approach in order, in the case of a pilot, to understand the interreaction of the controls available to the pilot in order to equip the pilot with the ability to fly proficiently and safely.
The four force explanation of straight and level flight carries out the first steps of this path to full understanding .
A resting stone analysis fails to do this.