Ever wonder why the keypad lights up to show you which keys are pressed? Ever wonder why the security model is weakened to a central trust which can reset all

Ever wonder why the keypad lights up to show you which keys are pressed? Ever wonder why the security model is weakened to a central trust which can reset all device passwords from central Apple command? Ever wonder why folks are encouraged to trade security (convenience)? Remember when Edward Snowden put his hoodie over his computer before he typed in his password?