Those are considered National Wonders?
I want to know the same thing! It would make Universal Healthcare 50% stronger! I also forgot NVC, NIA, and Grande Temple in my mental count.
I just tried this in my current game and I went from -5 to +3 (global happiness) by picking the tenet.
You know what, I'll admit I'm hazy on this. I just think it's good that my spy has less of a chance of dying
Less than zero? Spies that fail to swing a CS election are not killed! But FWIW, a tenet that helped with CS coups would be very nice, but none of them do that AFAIK.