Penalty on the keyboard (FIFA 21)

I understand that 99% play on gamepads, but still.
What's the game with a penalty shootout on the keyboard? The sight returns to the center position when the direction keys are released, as when playing the controller. Accordingly, to catch the right moment and aim is unrealistic. Is it a bug or EA so punishes keyboardists)?
At penalty, the sight is fixed as it should be