Because it's inflammatory, and patently nonsense. By any non-mad definition, Sweden is not a banana republic. Saying so prejudices the points made (though frankly, the entire "article" is 1 sided hyperbole).
| By any non-mad definition, Sweden is not a
| banana republic
The prefix "Banana Republic Justice" can also be seen as claiming that Sweden handed out banana republic-style justice in this case, not that Sweden is a banana republic.