If you think about it, Krillin is inherently untrustworthy and unreliable. It is nice that he was able to overcome his bullies, but he that is about it. Later on, there was one crucial moment that he could've saved the world, but he didn't kill Android 18. If she turned out like in the other timeline or if Cell won, or anything went wrong, than the one moment he should've done something, he failed
Before my bed, I see the moon's bright rays,
Which I mistake for frost upon the ground.
I lift my head to gaze upon the mountain moon,
Then bow my head, and sadly think of home.
Who is Mingyue and why is she not wearing any clothes?