In principle, you an end the regress at any point with subsidies. Ramifications are manifold, I've no idea if it's a good idea, and it's not what's being propo

In principle, you an end the regress at any point with subsidies. Ramifications are manifold, I've no idea if it's a good idea, and it's not what's being proposed, but it seems a potential way out of what you've described.