For the same reason they also are one of the better places in the EU to buy rare and expensive items (particularly wine due to lower taxes, but liquor as well)

For the same reason they also are one of the better places in the EU to buy rare and expensive items (particularly wine due to lower taxes, but liquor as well) because they have country-wide buying power and the markup that the monopoly takes is a flat rate mandated by law. Example: https://www.thelocal.se/20181012/systembolaget-sells-rare-whisky-to-lucky-shoppers-at-bargain-price/ https://www.thelocal.se/20181012/systembolaget-sells-rare-wh...