Why this movie is not great?

I think most fans of Philip K. Dick can't be satisfied after watching this movie. The producers and director made Impostor as a sci-fi and action-packed movie and forgot about the second deep. If is it moral to clone people, the influence on humanity and where will it take us? Only human has rights to have soul? Movie is also about looking for our identity in new world. Remember that PKD wasn't just the writer, but also a philosopher intrested in many aspects of our lifes. In my opinion these such things make diffrence between Blade Runner (android wandering if he can have dreams) and Impostor.