I think it would be a lot easier to be patient if you could tell us what exactly is so time consuming on fixing a broken quest. Is your quest engine buried in such chaos that you cant simply set flags to handle quest related items? What about the solutions suggested here in the forum, a npc whos main purpose is to help those who suffer from the bug? Those things dont take much time and will calm down the people since they will be able to continue with the game.
The first report on this issue (the OP) is from the 6th of march. Now 20 days later you still tell us its being worked on and you ask us to be patient. Most of us paid 60$ just for a couple of hours till the game breaking bug appears and we are still waiting for you to fix this.
Dont get me wrong but its not you who can demand some patience from us, it is us who can demand what we paid for!
This is EA style