He may have thought that because the aircraft was being controlled by autopilot, the 15-year-old’s actions would not have any impact.
The kid switched the flight control settings to manual at 00:54 after manipulating the control stick for more.
Than 30 seconds with inputs up to 10 kilos, which went against the autopilot’s instruction to maintain the aircraft straight and steady.
When the autopilot attempted to restore control, it clashed with the boy’s controls, which had climbed to inputs of 12 and 13 kg, but no one on board realized he was in charge of the airplane.
This ultimately resulted in the autopilot servo being disconnected from the aileron control linkage. Because they had mostly flown Russian-built aircraft and were not acquainted with the Airbus arrangement.