The vast majority of people that may buy this product might speak imperial. How do you know who the target audience is? How many recipe sites have ingredients in grams and cups/oz.?
Betty Crocker doesn't! Alton Brown? NOPE. Food Network, NAH!
Betty Crocker doesn't! Alton Brown? NOPE. Food Network, NAH!
My Cooks Illustrated cookbook gives both metric and imperial measurements, IIRC.