> you are putting them behind a paywall

Read this:

https://help.medium.com/hc/en-us/articles/360018677974

Quote: If you are a writer enrolled in the Partner Program, when you click Publish on a story, you will be prompted to choose whether to make your post eligible to earn money as part of Medium’s metered paywall. [...]

Only writers in the Partner Program see this checkbox. Stories from writers who are not enrolled in the Partner Program will no longer be part of the metered paywall.

So authors obviously have the choice whether their tutorial is behind the metered paywall or not. Here an example of a free article: https://medium.com/@rochus.keller/implementing-call-by-refer.... Can you access it or not?