"Justifying genocide is when you oppose genocide, and the more you oppose it, the more you justify it" - Very Serious Lemmings
Alternatively, "The prospect of an eventual violent revolution justifies genocide" - Very Serious Lemmings
Or more realistically, "I think that the prospect of virtue signaling without affecting government policy justifies genocide, because that makes me feel all warm and fuzzy inside" - Very Serious Lemmings