Hello,
Back in the old campaign, we did Critical Events infrequently, but when an event was held at Origins or Gen Con, I would get feedback from the GMs at the various tables and tabulated the results over the weekend.
The adventure "A Host Divided Against Itself" had the Dragon element and its possible release, which I kept a close watch on as the various tables finished.
Towards the end, I remember that the tables were equally divided between those that released teh Dragon and those that didn't. (For those that didn't play the adventure, the release wasn't necessary to complete the primary goal).
I thought I was going to have to flip a coin as to what happened in canon, when one last table came in and stated that the Dragon was released. And to make things even more interesting, one of the players at the table ran a Tultipetan dwarf.
Needless to say, the irony satisfied even my penchant for poetic justice.