<del>Cui can do this shit alone if he's serious. Back me up, Alex-boi.</del>
The team takes down Zarbon for the reason Brofist provided. On this little subject of battle power differences, I've got no problem with the Daiz numbers for the Blue Bishonen and Pink Lardass from a minimalist point of view, since even a gap of 18k and 16k+ was considered one in which the latter couldn't do anything to the former. From that point of view, manhandling someone with a 2k gap isn't entirely out of the question. It's more questionable in regard to the Zarbon vs Vegeta gap, though if you want, both instances could be aided by Zarbon and Dodoria having a drop in Shouki and Yuuki due to being scared at Vegeta's rise in power.