This article explain the mechanism on how sub4sub button works
How sub4sub button works?
The sub4s button works after clicking the sub4sub button. The user having enough points will be recommended
There is no filter for user reputation required. Even you have low reputation your channel can still be recommended (This is the current feature and might be change in the future)
Can my account be prioritize?
For the current sub4s functionality the only way to prioritize your account is when you are using the referral feature Other than that all account are randomize
Blocked account will never recommended even that account has enough points
The current feature of the sub4sub button is not final and it can change over the time. In the future we will plan to make the button more smarter and more specific for the recommendation