Take it and stuff it ~ Sun Tsu advocated and carried out multiple genocides ~
And according to muawiyah, the way to stop that sort of thing is...to have moral outrage.
Like that will help.
The fact that force must be countered with greater force will not go away because you wish it so.
Sun Tsu pointed out what is required to not be on the receiving end of genocide when war comes that will bring it to somebody.
The Germans were bringing Genocide to a lot of people. Total war in kind was the only thing that was capable of stopping it.