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!
Soooooo, you're just using the same empty-headed bots & dumb algorithms. You're just calling them "industry leading" cause you're already on the top, & haven't come up with anything better. It's just a poor excuse for lazy management of your site's services.