In order to monetize their content, writers must hide some, if not all of their work, behind a paywall, reserved for those who pay to subscribe. With each new piece is a choice between rewarding those who pay and sharing ideas widely.
I believe this model can can solve both of the problems mentioned :
1. It offers a path to being paid for a one-off work that's not part of a subscription or newsletter.
2. It offers a way to monetize work that remains a public good, without a paywall.