To deny the value of post work makes about as much sense as an artist saying you should use only a single brush or tool to create your painting. Ultimately, all the software is, are tools for artists to use to create their work. Tsign is right, post work requires artistic skill to utilize properly in its own right. To deny its value by the so called "purest" is silly beyond belief. Laurie is correct, it is the artwork itself that is important not the tools used to create it. An artist doing bronze casting must create graphic renditions, sculpt in clay, and finally understand the casting process itself. Without skill in all three areas, the end result is probably less the desired by the artist.

A piece of artwork should be judged by its value as art not what was used to create it. Do you invalidate a piece of art because the artist used commerical paints and not make them from scratch? Get real.