That said, we contain the ability to observe and react to our surroundings which causes a large and complex web of interactions that aren't trivial to map or anticipate.
That unpredictablity is what we ultimately define as freedom.
How does higher uncertainty of my choices achieving what I strive for raise the perception of freedom of said choice?
I don’t understand what you are getting at. You are either saying that you can predict where a fly is going to go when you set it free or you are saying that a fly has internal agency.