Beyond their understanding - that might be true. Ken's come a while from being the boy who refused to take that there wasn't an answer as an answer. But that just makes understanding the things that are within their grasp all the more important, and he...

He doesn't understand. So maybe this is a "why", after all.

"Sigma battles, and you bear the consequences," Ken summarizes. "Yet I've seen Sigma do things you regret. Every time you release him, aren't you hurting yourself?"

Every time you crack the whip, isn't the person you want to harm actually -

He's on the wrong track. He knows it.

But just in case he's not, he has to try.