I'm not going to have that conversation with you, because again, I don't subscribe to the notion that "autonomy" should provide for any region or local to negotiate language that isn't necessary due to topography, geography, climate, demographics, or specific economic variables.
This notion that an issue like staffing (with temporary cover drivers, seasonal drivers, vacation replacement drivers, and now 22.4 hybrid drivers rather than with traditional package car drivers) carries with it nothing unique as to require regional or local autonomy.
These supplements, in there present form, would be more aptly termed "side deals", because at the end of the day they create an uneven playing field when it comes to voting for a supposed "National Master".