Heads up! Your feedback helped us identify 3 areas of our Community Guidelines where we can clarify policies & strengthen enforcement:
Custom thumbs
External links
Pranks & challenges
Read how enforcement will ramp up over the next few months → https://goo.gl/9FtUjc
‘Re-use’ doesn’t refer to how many times you use a piece of your own original content. It refers to you uploading somebody else’s content as your own. Of course they could’ve said this in their answer but as always youtube take the long-winded approach.