Finland Is the Happiest Country in the World, and Finns Aren't Happy about It
blogs.scientificamerican.com
blogs.scientificamerican.com
In addition to these 3 definitions of happiness in the article, here another one: miserable happiness. Examples: startups, babies, gym. You feel exhausted, miserable and helpless while feeling a different kind of, a more meaningful, happiness inside.
In your example we might say they score low in hedonic measures of wellbeing, but highly on eudemonic measures.
Seriously speaking though, I love how well grounded you are as a nation. The world would be a better place with more of that.
[1] https://finland.fi/life-society/bare-facts-of-the-sauna/