Publishing in the gallery requires you to have a digital image. I'm one of the neanderthals that has no digital part in the process. I only produce prints on paper and they are awfully hard to push into the computer. My prints are mostly 16x20 from 8x10 negatives.
It is not that I have something against publishing, and one day I might find a way to do so, but it is just that it is not possible for me to do so given the technology I use.