I've had a Red mage a few days ago during expert roulette (Ala Mihgo) who obviously didn't complete his lv70 job quest.
When I asked if he did complete the quest, all I got was being called out as elitist, and typical "you don't pay my sub behaviour" on top of attemps to bait me in saying I was running a parser so he could report me, whereas I never mentionned his dps directly or talked about numbers.

I totally agree with you previous statements : the game needs to lock content behind all job quests completion otherwise we end up with people like that. I feel really sorry for those who had to carry this guy though shinryu...