Why we need parsers

[Parawill]

Or it would create more opportunities for asshats to insult other people.

:-) With this logic, you can say having a human brain creates opportunities for massacre, invention and a variety of other things. This is bringing it to the extremes, but in all honesty, it's a go-to argument as it's a touchy topic in this community.

Parsing isn't necessary, but it is wonderful in pin-pointing who is slacking and seeking ways to optimize oneself. Square Enix's stance on parsing is "don't use it" but there hasn't been a massive ban wave (or suspension) of those who do use it and use it positively.

Anyways, the most you can do at the moment is just kick people who are doing nothing. You can generally tell by their aggro bars in the party window, even though it doesn't represent the amount of DPS due to Quelling Strikes and a variety of different factors (adds, etc.).