While this is all logical and probably should be a thing, I hate to tell you that they probably don't really care all that much. All of the reasons they gave for why they made blue mage a limited job have been debunked by themselves or others. Yoshi p was really just spitting out whatever reason sounded like it might be plausible. And if they ever did implement a fix for toxicity it would likely be to the tune of the pvp fixes where they go way overboard such as blocking all chat making actual detailed strategy during a match impossible unless you are on discord. The best cure for toxicity is to simply have patience. As a dps I don't tend to ditch dungeons because it takes a while to get through the wait. If someone is being toxic I wait out the 15 mins then tell them why they are making the dungeon/raid impossible then vote kick them. The only time that doesn't solve the problem is when they are with their girlfriend/boyfriend who blocks the vote kick or a party of similar minded friends, which does not happen that often. If they get really toxic you can report them for that.