I live in Estonia (I am not Estonian) and while I know Finland and Estonia are similarly linguistically and culturally, I also know there are huge differences often due to the decades of USSR influence or occupation, respectively.
Re your comment on the cold war era and people still having influence, I read this article about a double agent coming to light only through his posthumous memoirs today: https://news.err.ee/1608974018/double-agent-secret-revealed-...