C3PX said:
In fact, we've seen and heard all of them doing far worse things than we have ever seen Darth Locke or his followers do.
Did you see Tuesday's episode? DL shows up to the temple, a place where people are seeking refuge, offers a "join me or die" ultimatum and then proceeds to kill everyone still there.
Wanton Murder is pretty bad in my book. Pretty hard to forgive.