They would just as soon step on someone and watch them writhe beneath their feet in pain. The people in those clans were doing just as many terrible things and looking down on those they didn't like. I murdered them and freed everyone they looked down on from their oppression.

[Of course that is only true of some. In other cases the Wen clan told him to find the Yin metal and so, when they didn't tell him what he wanted there was only one other option. He had been ordered to kill after all. And if he didn't then his own death would be imminent by the hands of the leader.]

I can't expect you to understand, Daozhang. Your view of the world is too pure.