I heard a bit of metaphysics, myself: if reality is a simulation or physics determines everything ahead of time, you're just walking through the motions and nothing is of consequence. However, if there is some sort of randomness generated in your brain, you can change and move the world with your actions, giving quite a bit more meaning to what you do and say.

Intuitively, if you didn't drive that truck full of food, people would go hungry. But, if you're brain is a computer that somebody programmed, you can know that and still feel like a robot doing the "right" thing, the best you can, according to programming