Reasoning: * When you look at the result of any given dream, it appears that they would benefit Jacob. The messages also resemble Jacob (guidance, further instructions, helping people follow their faith). * It seems that MIB can physically influence people, while Jacob may only be able to appear to people in dreams. This goes back to fate vs. free will/science vs. faith. When Jacob appears to people in dreams, he is not physically forcing them to do anything. He just puts the idea in their head, but it is ultimately up to the individual to act on the dream. If you look back on the dreams, they were usually to guide people, to help them get where they needed to be. * The visions physically led people to bad things. The first vision ever was Jack's Dad, and he led Jack off of a cli