What decision? To not play the game? Some decision, lol!
How hard is it in this day and age to have quests that offer player choice? They could have easily made it so that you can choose to follow Alleria instead and do the same type of quests but with a slight twist. The fact that they can’t even be bothered to do something as simple as that even when it makes perfect sense to do it that way for the sake of the story just shows you that they don’t care. They just rely on the base to follow them no matter what and to put up with whatever they put out no matter how subpar it is. And when players offer legitimate criticism they’re ridiculed by the forum trolls and dismissed by the Blizzard shills.
Well frankly, I don’t care, I am just calling out what I see as bad writing. 