I actually have answered this several times. What is the title of the document your group ratified? Who is it binding upon? The APA's Q&A directly mirrors the same material the company mailed to your home PRIOR to the vote. You were told in no uncertain terms that the named entities regarded that MOU as a Contingent CBA before voting started. Did the APA just pull that out of their ass? They're no USAPA you know...they don't do that.
I hasten to add that every entity in court ....except for USAPA is flatly telling the Judge, "oh yes, this is the CBA". She listened to Siegle when he said..."there wll not be any more negotiations, this is the CBA" Now, if that fact bunches up your panties too bad.