People are complicated, yes. They aren't wholly good or bad, and they do good along with bad. The one doesn't negate the other. There are many points to be made along those lines. Tsukasa isn't sure whether the young man is talking about himself or Tsukasa until—

He blinks and thinks of Senku, Gen, the others. They have definitely forgiven him. Perhaps not for this wrong, but for the primary one he has not forgiven himself for. They likely wouldn't hold him responsible for these men's lives either. Yet, he's forgiven Hyoga in his way. They've moved past the actions in the Stone War and worked together to protect others, so they could send a rocket to the moon and stop those that were trying to petrify everyone.

So why is it so much harder to forgive himself? "What right do I have," Tsukasa asks, "to forgive myself when I'm not the one I have harmed?"