Stochastic processes are not inevitable until they have concluded. I'm happy to dump will and freewill, but you are going to struggle to sell rejecting ideas like choice, especially in a system that is in the business of predicting and explaining itself.
However, I'm keen to see the argument.
”Choice” and ”decision” are high level terms we use to describe perceived behavior. There is nothing physical to it.
But there is something physical.
People are human beings, which all have a physical body, and a human body has a reasonably well-defined physical boundary, which in turn defines a physical inside and a physical outside of this body, the latter being something which is the object of meticulous and detailed studies and research by perfectly respectable scientists.
The upshot of this fact is that
whatever happens inside a human body at any given point in time is determined by its physical state at that point. And then, I'm pretty sure all scientists concerned are convinced that whatever a human being does is best explained by the physical state of his body immediately before doing it. That's true because that's true of just about anything physical, save perhaps some weird particles and fundamental things.
And then the difference between a human being and, say, a rock, is that the rock does not have anything like a representation of the world to decide what to do next. It does not have, like humans do, the ability to represent a number of alternative actions, all different, select one among them, perform the one he will have selected, and perform this action in a way pretty close to the one imagined initially. We definitely do that.
We even make computers perform a vastly simplified but nonetheless very effective version of what we do.
As I see it, that's essentially what people mean by free will and we all have that.
This is also independent of the precise nature of the world we live in, whether deterministic or not.
To be fair, I have to say that perhaps this view is in fact wrong. For example, maybe what we do is in fact decided by some almighty god. However, the view I have outlined is the one most people believe is true, including most scientists, including people who repeat 'free will doesn't exist' from sunrise to sunset.
EB