I want it too. I don't want to use the -25%, matter of principles (IMV, paying for additional ressources is cheating in the spirit of a simulation game).
This has not made me spend more gold but less. Those icons are like advertising leaflets everywhere on the screen when I open my Senate. And when I see too much advertising for something, it makes me not wanna buy it. Just the way it is. And I'm probably not the only one in that case...