Why is a review of the 1976 Convention on Limitation of Liability desirable?

The author emphasizes some topics: Problems about the circle of persons who can limit their liability; Should the mortgagee in possession of a ship be allowed to limit; What about claims for the raising and removal of sunken vessels ordered by the harbour authority; Ambiguities in the wording of the conduct barring limitation; Burden of proof and set-off of claim and counterclaim; Reconciling passenger claims of the 1976 Limitation Convention, and the 1974 Passenger Convention.