Yes, on the logical level, the quoted passage is redundant: for the reason you indicate, either "a reader does not steal" or "a thief does not read" suffices by

Yes, on the logical level, the quoted passage is redundant: for the reason you indicate, either "a reader does not steal" or "a thief does not read" suffices by itself -- at least if stealing a book one time makes you a thief (as opposed to thieves' being defined as people who steal habitually).