FIFO might be tempting (Reverse LIFO) to the cullers. Except that the newer 787 and 350 fleets may be well-populated by seniors too. I would not bet on fair play with this lot.
Incidentally, is the man at the top of sound mind these days? It is well-known but not oft-said that this person is suffering from a progressive neurological disorder. This is of course unfortunate, but I wonder if the ranks have closed around him as they did to protect Ronald Reagan during his second term as President. He too was in decline, due to a different but equally debilitating illness.