I think that the "absolute prediction" question is answered. I mean, I'm acquiring bits of information you can't physically know all the time just by entangling with air molecules that haven't reached you yet. But there's a separate question of "how important is that?" which is a combination of at least two different questions: first "how big an impact does flipping a qubit have on human cognitive actions?" and second "how much do I care that someone can't predict me exactly, if they can predict my macroscopic actions out to a time horizon of minutes / days / years?"

I think you're more concerned about absolute prediction relative to "pretty good" prediction than I am, which is a shame because that's the totally subjective part of the question :)