The short version is that an agreement in force at a WO can't define any of your working conditions at AA, as they're a different company, with a different CBA, and any agreement at your prior employer has no bearing on your life at AA. Any one who goes to AA, either flow or OTS, from a WO has satisfied the conditions of the bonus agreement and is free to do whatever they want once they're at AA.

We have a few at PSA who have done the exact same thing. Whatever MBA in DFW who thought up this plan had no idea how pilots really think.