I think we need to assume good faith here edit wars and accusations should always be avoided  I suggest that we look to other sources to further show his contributions  NINwiki is one source which is obviously rather good at detailing all thing NIN but is a wiki and thus not a truly reliable source  If discogs is readersubmitted then it too isnt a decent source  I dont think that it would be easy to prove that Finck didnt contribute as websites showing credit listings may be missing some information but we should be able to prove if he is credited by finding some other sources  Ill take a look