Certainly any large scale change will bring benefits for some groups and problems for others, but at a net level it is hard to see the benefits outweighing the costs for climate change. But all of those things are so hard to model and this article is one of the many pieces that points to that.

Curious questions though: If the Arctic region becomes habitable, who presides over it? Will it just become a haven for the rich? Can it be used as a model to figure out how to settle other planets?