Like I said, a DPS meter shouldn't be used as a tool to hold other players who aren't you accountable. Nor should it be used as a tool to see which party members you need to replace. Stuff like this causes drama. That's the reason why Yoshi P won't allow a DPS meter. I know it's frustrating having a member of your party under-performing, but that's something we have to deal with, like we have always been doing.
It should be used for self-improvement - something that should be kept only to yourself.