That's very easy to suggest. The challenge is to come up with a scheme where individual actors' interests cause their behaviour to be aligned with our goals for

That's very easy to suggest. The challenge is to come up with a scheme where individual actors' interests cause their behaviour to be aligned with our goals for the system as a whole. This is extremely hard to do. It isn't at all clear that it's even possible. Merely suggesting it isn't enough; to add something valuable to the discourse, you really need to describe the scheme itself, and that scheme needs to have a credible chance of success.