Whether DPS meters are good or bad is a hotly debated topic. I saw an interesting Reddit post by WitcherMog that approaches the question from a different angle.
In FFXIV, there are no in-game damage meters. However, you can run an external parser that reads your combat log and gives information for your group. FFXIV runs on a "don't ask, don't tell" policy when it comes to meters, though. If you reference them in chat, it's considered harassment, and you get punished by SE. So meters are pretty much the province of individuals and high-end static groups.
WitcherMog ran 100 instances with his parser active and compared player behavior with parser results. He found that harassment of other group members for being slow or wiping uniformly came from low-dps players.
The negative behavior indulged in by high-powered players (as measured by gear level) was to slack off during fights. Of course, negative behavior in either case only occurred in a minority of runs.
This is not quite the same negative behavior exhibited in games with public meters. In WoW, any harassment is more likely to come from good dps towards the low dps.
The results do make sense. In a game without meters, a good dps makes the run faster and less likely to wipe. So really, she has nothing to complain about, as all visible outcomes are positive. Meanwhile the low dps player believes he is doing fine, believes that he is really a good player, so obviously any problems must come from the other players.
In a game with meters, on the other hand, the poor player cannot blame others for visibly bad outcomes, because each individual performance is quantified. However, even if the outcome is visibly good, a negative high-dps player can feel aggrieved that she is "carrying" the group, and incite harassment of the others that she feels are not playing up to par.
So it's really a choice of picking your poison. Without meters, runs that have negative outcomes like excessive slowness or wipes incur harassment from the very people who most likely cause the problem in the first place. With meters, a run that is successful might very well still see harassment, just because one player thinks another player is not living up to an arbitrary standard.
There's no obvious best choice here. Would you rather have poor players never realize that they're bad, or have good players hold others to an unnecessary standard?
Of course, we must reiterate that, especially in FFXIV, we are talking about a minority of outcomes. Most runs are successful and go just fine.