"I don't want my tax dollars spent on a hopeless cause."
Oh, so this is where you draw the line. All the other stuff your 'tax dollars' are spent on, you're OK with that. But on THIS, well, I'm going to have to put my foot down. You are out of arguments, to have to resort to this.
Makes you wonder who's cutting the lawn, cleaning the house and generally working for peanuts for el jefe, no?