In the cases of Reuters' registration [0,1] and Bloomberg's paywall [2,3], it's traversing an edge case in the authorization logic in the page's script.
[0] https://www.reuters.com/legal/us-pushes-boeing-plead-guilty-...
[1] https://www.reuters.com./legal/us-pushes-boeing-plead-guilty...
[2] https://www.bloomberg.com/news/articles/2024-07-01/blackrock...
[3] https://www.bloomberg.com./news/articles/2024-07-01/blackroc...