Vegeta is great leader...
He killed all of ginyu squad when Goku showed mercy like a moron.
DG20: He suckered them after Goku saved his ass. Before Goku came he was getting handled by Recoome
He save goku from the androids when his heart virus kicked in at the wrong time.
DG20: Then got his arm mangled by Android 18 and was morose for days after
Cell was beating Gohan until vegeta dropped a Galik gun on cell which allowed cell to be finished off.
DG20: Gohan only needed help because he injured his arm trying to protect Vegeta's bytch ass from getting merked by Cell
Also...
Another cheap shot
Landed hits on lord beerus at super sayin 2 when goku couldn't touch beerus at ssj3.
DG20: Still hasn't managed to crack SSJ 3 after all these years
He dominates goku black during their last fight.
He beat the most people at the universal tournament.
DG20: Don't watch Super but I'm sure there's L there for him somewhere
Blew himself up in attempt to beat fat buu.
DG20: Failed to kill Fat Buu
It was vegeta's idea to beat kid buu with the spirit bomb.
DG20: Those who can't do come up with the idea for those who can
It was vegeta's who called out Gohan for his pathetic fight against dabora, stating "a fighter like him should be bead by now".
DG20: It was also Vegeta who gave his body to Babidi () in an attempt to beat Goku, who hid the fact he could go SSJ 3 to protect his feelings
As with Nappa, it has been said that true sayin's would rather die in battle then receiever help. Vegeta has repeated this multiple times.
DG20: Goku helped him against Recoome. Gohan helped him against Cell
Goku never stepped in to help Gohan
DG20:
Goku watched freezia kill vegeta
DG20: Goku watched Vegeta cry and beg like a bytch
Vegeta stopped Trunks from helping goku in the cell fight.
DG20: Vegeta failed to avenge his son after Cell killed him and Gohan had to do this:
when it become evident Vegeta had, as usual, bitten off more than he could chew