Using a mouse to fly a plane in a PC game is like using a crayon to fill out a marriage license application.
Problem is War Thunder mouse control I believe grants third person wide FOV and auto aim.
Not exactly balanced.
You might be surprised how many <30 year olds are vociferously against HOTAS/Joystick controllers. Like they get MAD when these devices are brought up. Their biggest argument is always, "They cost too much money!!!!!!!! Why should I have to spend money to buy something to play this! Mouse and keyboard 4lyfe!111111111111111xyzpdq!11111111"