Which makes sense. An infringing use in one case may be legitimate in an another. For instance, you upload a song you created to share with a friend. Someone

Which makes sense. An infringing use in one case may be legitimate in an another. For instance, you upload a song you created to share with a friend. Someone else uploads it again - due to deduping, both links point to the same file. In the first case, not infringing in the second infringing.