Being the leader doesn't make you more important than the rest of your team. That's not how teams work.

[Lio let him talk. And he was curious, about what Ren was going to say but... obviously not in any place to push it. He shook his head, though, at the notion that it was his fault.]

It isn't your fault. From what you've told me, it doesn't seem like it's anyone's fault, just... an accident. And I don't think they would see this as something that doesn't involve them. Why would they?