‘Butter is butter’: $8.50 for Pams, $11 for Mainland. Why would you pay the extra?

With 500g of standard butter costing more than $8 and the same amount of a premium product priced around $11 or more, is the extra cost really justified?


This is a companion discussion topic for the original entry at https://www.stuff.co.nz/nz-news/360799216/butter-butter-it-worth-paying-3-more-premium-spread