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!
Thanks for the screenshot! Could you file a feedback report with these steps: https://goo.gl/1ckkO5 ? While every individual report may not get a direct response back, we do review everything and use the details to investigate and fix issues.