Reused Content is not about Copyright (or permission, or fair use, etc) and is separate from YouTube’s Copyright enforcement–it’s part of the Content Quality section of YPP policies. Here’s more info and best practices to help you make changes: https://yt.be/help/reused-content …
I would love you guys to take a look at my “reused content” false demonetization! I have tweeted a buuunch of times but i havent gotten a reply yet. Please help a small (<25K) youtuber out!