Earlier quoted context omitted.
You have provided a good summary of the submitted article, without expressing an opinion on its conclusions. Allow me to respond to quoted point 2. 2. Low immigration - so "Finnish as a second language" is not a problem there. A counterexample to this being especially important is the country Singapore, with four official languages (Modern Standard Chinese, Malay, Tamil, and English in decreasing order of number of h…
Although the article mentions the second language thing, Finland actually has two official languages, Finnish and Swedish. All official documents are in both, and street signs are in both, with the local dominant language on top. They also teach English at the Finnish schools. My eldest son goes to an English school in Helsinki and he is taught Finnish, French, and of course English.
http://en.wikipedia.org/wiki/Swedish_language
and Finnish (Suomi)
http://en.wikipedia.org/wiki/Finnish_language
are not even cognate languages, being from two different language families. So students in Finland learning English in their school courses are learning a language with what are to them rather puzzling grammatical patterns. By contrast, many Americans don't attempt to learn any foreign language while in K-12 schooling.