I don't understand what's happening when I play as NIN.

[Nahara]

If you're dealing so much damage that you can pull threat from the tanks, you're probably getting commendations because that amount of DPS (unless the tank has a much lower iLv weapon) is probably pretty impressive.

Just be wary of the healers (like me) who will watch you die if you don't respect your tank's limits and keep pulling threat from him/her (ie. don't be a jerk).

[Huntington]

If you're dealing so much damage that you can pull threat from the tanks, you're probably getting commendations because that amount of DPS (unless the tank has a much lower iLv weapon) is probably pretty impressive.

Just be wary of the healers (like me) who will watch you die if you don't respect your tank's limits and keep pulling threat from him/her (ie. don't be a jerk).

I can't recall seeing anyone with less than an Animus weapon so far as any of the tanks, most had that or higher. Didn't matter if they were WAR or PLD either, kept pulling off regardless. I only have the Vajras on my NIN since I don't have the gear I want on it yet to warrant using the Diamond Daggers.
Basically, everyone hates me but they're impressed at what I'm doing so they're giving me all the commies?