In essence, they give away something that really is not theirs to give away, local revenues. If there were no special exemptions, every one would pay fairly and evenly and probably not near as much.
Charles
That can also be said of every tax dollar used by every level of government in the U. S. It's easy to be chaitable when your donations come from someone else. If elected officials want to create give-away social programs they they ought to fund them out of their own pockets.