Heads up, Creators: On Dec 13-14 you may see a noticeable decrease in your sub count as we remove spam subscriptions. If spam is removed, you'll see a YouTube Studio alert: https://goo.gl/qGDBvX This should help give you confidence that the subs you do have are real fans!
Ellos explicaron que solo eliminarán bots, no suba inactivos por ejemplo la gente que te sigue y no te ve no la quitarán. Para ello emplearán un programan el cual por lo que dicen es muy bueno