It might actually be a legal issue too. At least here in Holland there are strict rules as to the naming of product. That's why we call peanut butter 'pindakaa

It might actually be a legal issue too. At least here in Holland there are strict rules as to the naming of product. That's why we call peanut butter 'pindakaas', for example, which means 'peanut cheese'; producers were not allowed to use 'butter' in the name if the product did not contain actual butter.