At a min, the DCI contracts and level of profitability of said regionals is going to go down in the next decade.
That may not effect your job security Joe, but it will effect how much you are compensated for it.
DAL is not going to fight a lot of these out in court, they will wait for the contracts to hit their five year reset points, and then the end of each contract. It will come very clear in a year or two, what ALL DCI carrier have to look forward to in regards to how they are compensated for performing said flying.
IMHO ASA is the best insulated to this, as you still have 11 years of your contract. That does not mean they will not amend it, it just means that you will still have flying to perform.