Concepts that strike me as somewhat comparable:
In each case, a black and white issue is reduced to a simple barter exchange, allowing free market forces to function to achieve a desired goal.
But for some reason, some are considered good and some are considered bad, usually based on one’s political biases.
I, personally, come down in favor of the first three, because the end result is most likely an overall plus for the world as a whole, and the exchanges are freely made.
As for the fourth… well, for one, I’m not a Catholic. And for another, it’s been out of favor for a long, long time.