"This" is about market rate adjustments (MRA's) that were put into place at Worldport and many other areas across the country, to try and become competitive in the part time job market and is not exclusive to Local 89.
Seniority employees are upset (and rightfully so) to see new hires brought in at a rate of pay that took them years to realize in annual raises.
Somewhere in the Pacific Northwest it is reported that new hire hub workers are now being paid in excess of $27/hr to start.
Reality is though, at any time, UPS can declare the market changed and go back to contractual scale.