EDIT: To be fair I think the butryric acid thing can be overlooked as an acquired taste. Same way that IRN BRU tastes like bubblegum to Americans, even though UK'ers claim it isn't. I still think Hershey's regular milk chocolate works better with peanut butter than any other chocolate I've had. The bigger issues I have with Hershey are the cloying amounts of sugar they keep adding as they knock down the cocoa butter and cacao solids in each of their products to save money. I used to run boxes of UK KitKats down from Canada's duty free stores so that other Americans could see what they were missing out on.
Hershey's chocolate breaks that rule and contains butryic acid. Here's a link explaining why and how that affects the taste: https://www.chemistryworld.com/podcasts/butyric-acid/1017662...
EDIT: To be fair I think the butryric acid thing can be overlooked as an acquired taste. Same way that IRN BRU tastes like bubblegum to Americans, even though UK'ers claim it isn't. I still think Hershey's regular milk chocolate works better with peanut butter than any other chocolate I've had. The bigger issues I have with Hershey are the cloying amounts of sugar they keep adding as they knock down the cocoa butter and cacao solids in each of their products to save money. I used to run boxes of UK KitKats down from Canada's duty free stores so that other Americans could see what they were missing out on.