Originally Posted by
TallFlyer
My point being that if you just did a hypothetical relative seniority integration of the East and West list, with all the "Third Listers" as part of the East list, the Westies would be justified in being more than a little upset with that. Ultimately Third Listers should be junior to anyone hired prior to the announcement of the East/West Merger.
Another of the several reasons that inclusion of the Nic complicates the SLI with AA and would require a more complicated offset system such as fences to mitigate that complexity. Again, as per the PA, they are operating on the assumption of a status quo at merger date.