When they do aimed at the ground, it is usually curved or exploded on impact so it only does surface damaged. Penetration blasts or large energy balls can cause a planet to planet. I think Gohan is tell Bra not to aim at the ground because she clearly shows she has no self-control and can accidentally destroy the planet.ParkerAL wrote:Don't fighters in Dragon Ball Z hurl energy attacks at the ground all the time? Freeza had to deliberately charge up an attack with the right concentration of ki in order to blow up Namek. Unless Bra is so poorly trained at this point in her life that she doesn't know how to hold back properly, the Earth should be fine. Theoretically, at least.
I wouldn't call it a a deconstruction of Goku or Vegeta's parenting style.TonyTheTiger wrote:For what it's worth, adult Bra doesn't seem quite as callously reckless so there's some character development happening here. It actually might be kind of neat to see Bra as a kind of deconstruction of Goku and Vegeta's parenting--what a superhuman child would actually be like with a father who only gave a shit about fighting. I doubt it'll go in that direction but I think that would be an angle worth exploring.
Goku raised Gohan for four years without training him, granted most of that was Chi-Chi, but it shows that Goku can parent outside of training his child. He also did other stuff with Gohan that didn't involved training like fishing and camping. I will assumed Goten is the same way. In fact, we only see Goku personally train Goten a few times and most of it is play fight.
Vegeta didn't really train Trunks since he didn't even know he could become a Super Saiyan and in Super we see him do fatherly stuff with Trunks like take him on vacation or go to his soccer games.
Even then, Goku and Vegeta would knocked their child out if they were as callous and disrespectful as Bra.