Are you sure you did it on this character and not on an alternate one? (it looks like you described for my alts who haven't done anything in that campaign, but my main finished it. It is an account unlock, like most of the campaigns)
I don't have the daily jubilee quests available on two of my characters, the other 2 can get them, 3 of them are more then 4 year old. Show old/low level quests is turned on. the only thing, I can think of, is that on those two characters I could have deleted old jubilee quest to get some less clutter in my quest list when…
there is an option for changing loot settings in parties, like the greed/need threshold up to blue, or random, or to the one who picks it up, etc. It can be set before making a party, in instances it can't be changed, I think