Each of the ingredients is in scarce supply. For the average chip muncher, the extra special ingredients might not cancel out the dearth of chips in the package.
The Leksand onion is only grown in the Swedish town of Leksand. They're famous for, no matter the weather, being planted May 18 and harvested Aug. 10. Always. Those potatoes? They're grown on a "steep, stony slope in a south-facing location," because south-facing potatoes are obviously superior to those omnidirectional potatoes you buy at the grocery story, peasant. (There is a reason south-facing gardens are useful.)