> this an industrial monoculture tree farm

That's how it looks like in the photos and videos and maps, yes.

https://www.hs.fi/politiikka/art-2000012304991.html

https://www.mtvuutiset.fi/artikkeli/miljardeja-euroja-ja-tuh...

https://www.tervareitti.fi/artikkelit/googlen-datakeskus-tul...

https://www.google.com/maps/@64.8361982,26.1427786,6855m/