It probably does sound terrible. Then again, things like cancer sound terrible to me, so it's probably about what you're used to.
Yes, everybody has KA. You can't amplify until you hit 40 pounds, so really little kids aren't a worry, but if a kid does spontaneously amplify, it tends to be one of the more dangerous situations since parents and other adult caregivers are usually hesitant to shoot or burn their children.
Our mom had to shoot our older brother when he was 7. I think that's why they're screwed up, but Shaun thinks they've just always been shitty people.