A good chunk of that is duplicate videos. e.g. FTA, many duplicates of this video exist, each of which are ranked higher than the original, and each of which a

A good chunk of that is duplicate videos. e.g. FTA, many duplicates of this video exist, each of which are ranked higher than the original, and each of which are monetized when the original isn't. There's just no way that Youtube isn't able to detect this duplication.