It's not that he doesn't understand Cliffjumper's stance. After all, he's pretty sure that a lot of Decepticons where he's from would feel the same way about their own Autobots. But still.

"No, it's not real fair. An' I get it. I know they aren't exactly innocents, dude. But I can't live in hatred when there's some good in them. When they can do better. Not all of 'em can, but that doesn't mean I gotta stop tryin'." Soundwave shakes his head. "Whatever works for ya, but I can't do that. I can't worry about being attacked all the time."

Though that might be why he ended up in this kind of situation, quite frankly, but he doesn't feel any regret in his decisions.