There is an argument that free will doesn’t exist because there is an unbroken chain of causality we are riding on that dates back to the beginning of time. Meaning that every time you fart, scratch your nose, blink, or make lifechanging decisions there is a pre existing reason. These reasons might be anything from the sensory enviornment you were in the past minute, the hormone levels in your bloodstream at the time, hormones you were exposed to as a baby, or how you were parented growing up. No thought you have is really original and is more like a domino affect of neurons firing off in reaction to what you have experienced. What are your thoughts on this?
As I hear it described, it doesn’t even make logical sense. A thing is either random, or deterministic. People talk about decisions being motivated by something, but also somehow independent of all exterior things.
People will come back that that lets you off the hook for your misdeeds, but that’s only the case if you believe in retribution for it’s own sake. A version of incapacitation and rehabilitation could make sense against something as devoid of “free will” as a bridge or building, and deterrence only needs the target to be capable of strategy.
To answer the question a slightly different way, in light of the post text: How random the universe is will come down to fundamental physics. The simplest way of interpreting the current state of the art is that the universe is deterministic but branching.