I completely agree with your point against the GP that compound words are not at all seen as "needlessly long" by speakers of those languages. But with regard

I completely agree with your point against the GP that compound words are not at all seen as "needlessly long" by speakers of those languages. But with regard to Finnish, while Finnish is a Uralic language and not an Indo-European one, the Finnish language today is replete with calques on Swedish and German, because those were the prestige languages in the region when the modern Finnish literary standard was being created and new words coined.