I have to say that, while sympathising with the experiences of Nogrod and Jenny, I rather agree with Roa. The whole point of Duelling Wizards is that the Wizards are, ultimately, calling the shots. It was inevitable that the Wolves would have much less discretion than in a normal game and, I believe, some of us pointed this out beforehand. By agreeing to play, you effectively subscribe to this in the event that you are turned into a Wolf.
With all the Werewolf games going on, it's not like there is no opportunity to play a standard Wolf role elsewhere. Being a Wolf in Duelling Wizards, while the EW is still alive, means playing a different kind of game. While I agree that there is scope for passing more information, in terms of rationale for kill nominations etc, between the Wolves and the EW, the EW should always have the ultimate say, for the reasons that Roa has outlined.
And, if you didn't like being a Wolf with restricted choices, think what it was like being an innocent killed on Night 2! At least you had a bit of a run out. I would have relished the opportunity, had either Wizard chosen me (as I rather hoped they might).