It's like they've never done this before, and ditched without picking up their garbage from their constituents.
The campaign office is closed now. These are now "someone else's problems," much like every other problem that doesn't affect them.
When your toddler throws a tantrum the best thing to do is to give them a loving pat and ignore them. You can always come back when they've moved through their big feelings and are ready to be a part of the family again.
Final rusting* place