I think adding a guide or crosshair into which direction your drone would fire when manually controlling drones is needed, especially for players who uses controllers. And if a player don't want any guides, they could simply disable it in the settings.
Additionally, adding like an aiming system (Like for a certain threshold in your joystick you aim) for controller players is needed when using drones. This is especially useful when a player wants to destroy an enemy from a safe place/distance.