Wouldn't be the first time, when QLink introduced the Q-400 in Melbourne the -300 captains without seniority had to move base or accept FO positions, some both. All depends whether you want to accept seniority as a captain vs base seniority vs overall seniority, vs type seniority. In any case someone will be upset, good luck to making everybody happy, I wish it was possible. Sadly DiVosh is no longer with us to relate how upsetting that was.