I hate to be Mr. Obvious, but having been doing photography at work and play during the film to digital move I can certainly attest to the fact that at the moment one switched over it was certainly more expensive; digital cameras were intially pretty pricey. And film and its processing still very common.
The BIG factor for me and my colleagues was time. Maybe hobbyists don't factor that in, but the ease of moving images to those who needed them alone, and quickly after they were generated, was huge.
And apparently most photographers agreed, which is why film died out. Doesn't the current situation rather speak for itself? even aside from the ubiquity of virtually free smartphone photos? And what about video? I don't think you should separate that out; it's a side benefit of most every digital camera. Got 8mm in that old Pentax?