JD Salinger's unseen writings to be published, family confirms

I recall reading of this in the David Shields oral bio Salinger. Shields and documentary film-maker Shane Salerno's opinion seemed to suggest that the unpublished material wouldn't amount to anything much--no hidden equivalent to Catcher in the Rye, or a trove of undiscovered Glass family stories, or anything like that. I have a feeling they were probably right (although the Guardian article is saying there are unprinted Glass tales among the lot), and Matt Salinger's comments seem to be a bit cagey:

The unseen writing, Matt Salinger said, “will definitely disappoint people that he wouldn’t care about, but for real readers … I think it will be tremendously well received by those people and they will be affected in the way every reader hopes to be affected when they open a book. Not changed, necessarily, but something rubs off that can lead to change.”

and sort of give me the feeling 'don't expect much here'...I don't necessarily feel the motive was purely financial--although I could be persuaded that it played a not-insignificant part--and all-in-all, I'm not sure how I feel about this sort of pandering to literary necrophilia, when everything has to be pulled out of the cupboards whether or no its' creator might have ever wished much of the material to see the light of day.