I don't want to be that guy, but when you're talking about free will, it's useful to
define whose free will we're talking about.
On a different note, this seems interesting (don't know if it's utter crap though):
http://www.quantummechanicsandreality.com/Primer/iia8_brain.htm
For what it's worth, a catherine's wheel firework's trajectory and behaviour are pretty straightforwardly deterministic. I don't hear many people arguing that it's not worth watching though.
What's wrong with watching even if you happen to be the firework itself?