Long story short: If an ethnic group is a majority, it's not going to be recognized as indigenous. EWe can argue about the definition as much as we like, and you're absolutely right re. the Germanic peoples having lived in the Nordics for longer than the Finnic ones have, but for all practical intents and purposes, governments, and international organizations will consider the Sami indigenous.
Long story short: If an ethnic group is a majority, it's not going to be recognized as indigenous. EWe can argue about the definition as much as we like, and you're absolutely right re. the Germanic peoples having lived in the Nordics for longer than the Finnic ones have, but for all practical intents and purposes, governments, and international organizations will consider the Sami indigenous.