So are Finns actually...so you may be on to something!

"People from some cultures find Finns harsh, or even rude, because Finns are not focused on verbal niceties like, for example, Americans and the British. Once you've been here a while, however, the no-nonsense Finnish culture may be one of the reasons you choose to stay."

https://www.expat-finland.com/living_in_finland/culture.html