In this era of political and personal correctness, one thing stands out above all others....at sea, and in an airplane, the
Captain calls the shots and is in complete absolute legal control, and the rest of the crew members can either like it or lump it....it makes no difference, whatsoever.
So-called CRM or not...still, no difference.
Now, having said this, said Captain should absolutely take into consideration the ideas of other crew members(as after all, they might indeed be quite good ones) but....he is under no legal obligation to do so.
Period.
Next question...?