In my opinion the minimum rank requirements of an article to be paidout in each categories. For ,
1. Newfeeds - 60
2. Crypto - 50
3. Economic - 50
4. Culture - 50
5. Ecology - 60
6. Alt woke - 60
7. Gaming - 25
This is the current state . It can change in the future
Also this is my opinion and can be wrong.