The notion that Alistair could have basically beaten the game for you and become king and rallied the troops just as effectively, even if your character died in the Joining, seems to defeat the point of the original campaign.
However, I don't understand the notion that this is somehow contrary to roleplaying. It is not. You're simply playing a different role. It's the epitome of roleplaying. Imagine D&D (or other such tabletop games) if none of your DMs wanted to role play the "bad guy" to foil the heroes of the adventure... it'd be incredibly dull. If it's simply a role you don't wish to play, I can understand that. I guess we'll see how many people agree with that (well, Bioware will at least, when they get their sales numbers).
Perhaps it would be more accurate to say that it doesn't fit the traditional "western RPG" notion where you choose precisely the role in which you will play, in all aspects-- race, gender, powers, morality, destiny. Playing as a pre-determined hurlock vanguard seems to limit your choice on all of those fronts, except perhaps powers. But I would not say that disqualifies it as an RPG in general. There are perfectly good RPGs in which your role is pre-determined. Most JRPGs, for instance.
Regardless of this, though, I'm not giving Bioware another penny until they fix what they broke in the recent patch, not to mention fix what they sold to me as a broken product to begin with (Awakening) for twice the cost I would have had to pay if I had waited until the third week instead of the second week. ¬_¬