The best quote is this one; I was one of those customers too:
"In August 2006, Amazon quietly deleted the bookshelves of all of its ebook customers - bookshelves it had promoted as backup for customers ebook purchases. This left tens of thousands of customers without their investment in ebooks. Then in August 2007, Amazon allowed its Mobipocket subsidiaryís servers to be shut down for ten days without warning and without explanation during or after to its customers.
When Amazon tells people to store their ebook libraries on their servers, LiVolsi said, they are relying on people to have short memories, bad judgment or an unawareness of Amazonís ebook history."