Why are Facebook, IBM, Microsoft and Oracle Backing the Fight *Against* the Blind?

One of the more disgraceful examples of the inherent selfishness of the copyright world is that it has consistently blocked a global treaty that would make it easier for the blind and visually impaired to read books in format like Braille. The thinking seems to be that it's more important to preserve copyright "inviolate" than to alleviate the suffering of hundreds of millions of people around the world. 

On Open Enterprise blog.