I want to draw that out to specifics of what exactly "more influence" is, but with it being labeled as "most people," we probably wouldn't have much disagreement in those definitions overall, and we'd necessarily have to get into debates of free will to go any further. With that on somedays I wonder if it should just be called "will," because it's objectively too constrained to be free (and, indeed, people scoff at our "free country" over less when it comes to denying the existence of our civil freedoms but will fiercely defend this "free will" that just is not free), yet question if being aware of how things influence us makes our will "stronger," like an athlete's body that gets stronger with training. And certainly this would be a Nietzschean or Machiavellian way of approaching social interations, a very potent shaper of who we turn out to be.
And then on some days I wonder if we're just fooling ourselves because realistically when it comes to the lives we've lived it's already been done a thousand times over and we all have doppelgangers running around out there. If we can randomly discover random people who are close enough in appearance to fool friends and family, then should it not be probably that we would also randomly find random people who have a similar "operating system and motherboard" when it comes to their psyche and brain structure? Exact details and individual experiences may vary, but if no one is really truly unique in genetics and biology, this would inherently include the brain. After all, we are able to describe a mental illness by presenting abnormal behaviors, and group them based on common symptoms and behaviors. We also find that those of similar symptoms/illnesses often have similar abnormal brain structural development in certain areas. But definitely the brain structure alone does not doom or damn someone to future set in stone. But after our experiences that shape us into who we are, how much of "us" can there really be for us to exert a "will?"
Do we really have any real sort of tangible control, or do we only have an illusion of control?