Although it's fiction rather than documentary, there is a British series called Midsomer Murders. A few years ago there was an episode called A Picture of Innocence. It featured a nice old camera shop full of old equipment and a sign in the window saying "We don't sell digital cameras". There was an argument between the film photographers who ran the film club and the digital photographers who were portrayed in the style of a motorcycle gang. The photo club had decided to ban digital submissions for their annual exhibition.
Obviously there were some murders involved but I'm not going to give away all of the story here.

It's on Youtube and worth watching if you have the time.

Here is the first part: