I don't think management want to get rid of seniority bidding entirely.
Why would they invest in a new system that is capable of managing seniority bidding far more efficiently, if they don't want it at all?
I think they just want a system that can be as fair as possible to as many people as possible, while still retaining seniority bidding as the core.
I think it is only the most junior crew that get back to back JoBergs that want to get rid of seniority bidding totally.
Sounds like a win all round really if we can get this ancient system updated and still keep seniority.