Is killing really that bad in a world with that kind of afterlife, and magic balls that can bring you back? Bad, yes. Unredeemable? Nah.
Is Vegeta technically still a murderer? If I remember correctly they used the Namekian DB to resurrect everyone who was killed by Freezer and his men.
Who among us can’t say they haven’t genocided a couple planets in their youth?
who what now
Vegeta's first act on screen is to blow up an entire planet, probably killing hundreds of millions