Thanks for that, CGW.
Originally Posted by CGW
"'The photograph is literally an emanation of the referent,' the philosopher Roland Barthes wrote. 'From a real body, which was there, proceed radiations which ultimately touch me, who am here.' A film image is created by light that leaves a material trace of something that exists—existed—in real time and space. It’s in this sense that film becomes a witness to our existence."
At its most fundamental, what separates film from digital is just this provenance. A film image bears silent witness to the reality of the image depicted upon it.* It is this most important of film's qualities that we are losing.
[Edit: I think I may have just found my new signature line!]
* Please don't go there. It's irrelevent to the point being made...