The discussion brings me a situation happened in a turn 10 farm.

I joined a "PF Turn 10 farm" i need the dex earring because in 3 months i don't see the drop.

A scholar doing 300 dps, me doing 550-600 with echo, a drg doing 450, but a blm and another bard doing 200-250 dps. Was the first time i saw Imdugud to reach +12 stacks.
Obviously we wiped and the bard wrote "noobs, i'll add you to BL. I don't wanna play with you". I feel ashamed and go mad, because one of the reason to unable kill the boss was his dps and i can't say it.

I avoid DF and PF, i am an average player, i do savage and i would help PF/DF to clear content, but they are piss me off all the time with low dps, bad manners and shit talk. I don't deserve that and i give my condolences to good players which have to clear content via DF/PF.