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!
While we can't share specifics, here's more about reused content & how you can avoid them in future videos: https://goo.gl/E5dgGo . You can always reapply for YPP again in 30 days. Hope this clarifies.