Have you seen the video where Scott Walker, Governor of Wisconsin, expresses his strategy to destroy collective bargaining for public employees? Here it is:
The way to destroy unions is to eliminate collective bargaining, which will benefit corporations (who generally support only one side of the aisle). And, it only makes sense. If your interests are to make corporations more powerful and profitable, then paying workers less and reducing their opportunities to vote is a viable strategy.
Get active in your locals to campaign ahead of time. Don’t wait until after a bad election to get active. You might become Ohio or Wisconsin or Idaho.