You've got to compare it to the alternative. Books have a half-life, and the vast majority of these books being purchased are grody, moldering ex-lib copies of books that no one has read in decades. Their other likely outcome is mulching.

Right, that's my point.

These generally are not books people care about. The information contained therein was doomed.

Now the information has been digitally preserved and a digestion of the information will be made publicly available.