If he can TEACH them a lesson for 500$ and prevent them from paying 5000$ to an other scam - isn't it BENEVOLENCE? Sometimes ADVISE is not enough and the lesson

If he can TEACH them a lesson for 500$ and prevent them from paying 5000$ to an other scam - isn't it BENEVOLENCE? Sometimes ADVISE is not enough and the lessons need to be painfull/costly or they are no HELP.