Good idea in theory.... but I was always concerned about the stress this would put on the Li-Po cells - forcing them to generate heat without power being drawn from them.
Assigning points on a screen and having the Drone go to them is not flying your Drone. In fact anyone using a mode on their DJI isnt flying a drone. You are simply "pushing" the thing around with the sticks.
Put your Drone in Acro, (or manual for...