"Yes, but would you have gotten this far if you didn't have me testing it out for you?" Vegeta points out, though his tone is oddly professional and lacking the malice it out to have contained upon pointing out that he's essentially a glorified crash test dummy. "Who else do you know, besides the Namekian and that bumbling idiot, Kakarot, who could push your equipment to such extremes? One would be unwilling to assist and the other's harpy would have forbidden it."