Blocking cookies from the paywall content providers' domain is alternative approach that doesn't require an extension.
I've done this successfully for medium.com and nytimes.com. If those content providers' start being more aggressive on the client-side via JS, you could go with the nuclear option of disabling JS for the provider as well.
If you want to trial this approach on Medium, an easy test-case is to click through some of the "Recent Stories That Members Loved" located on https://medium.com/creators before and after blocking cookie
I've done this successfully for medium.com and nytimes.com. If those content providers' start being more aggressive on the client-side via JS, you could go with the nuclear option of disabling JS for the provider as well.
If you want to trial this approach on Medium, an easy test-case is to click through some of the "Recent Stories That Members Loved" located on https://medium.com/creators before and after blocking cookie