You are totally right. I have managed to put one of them pattern type locks where I have to put it in every time I use certain apps. The best part is, if I put my phone down to use the bathroom and the screen turns off, I have to put the pattern in again to unlock screen.
I am sorry but he is 16 you say but I do not see his discussions are harmful but only opinionated as if it was actually you were the poster. Does he play the game if not and you are blaming him then shameful