When I play A:DD after A:MFP

[Alardem]

True, my motivations weren't in line with Mandus. The player rapidly grows more concerned with uncovering the true nature of the Machine, and the fact that Ozzie is still bullishly concerned about the fate of his children long after the player figures out what happened causes a disconnect. Also, in a post-Bioshock world, who else chafed at the game forcing you into releasing the Pigs?

That issue is less apparent in The Dark Descent due in part to Daniel being silent in-game. It's left to the player's discretion what his motivation truly is - does he continue in Brennenburg to escape the Shadow? To hunt down Alexander? To uncover his own history?