@ aterpster;
I think the NTSB probably has covered the perceived disparity between the priority given to the AL and the AK accidents in the following:-
This listing of investigations includes those open investigations involving accidents or incidents which resulted in significant loss of life, physical damage, involve issues of importance to public safety, or which have generated particular public interest. This represents only a small portion of the investigations conducted by the NTSB, most of which occur at the regional level. See this
listing of selected regional investigations for more information.