A huge part of Jack Daniels’ brand is their iconic packaging, because, after all, a lot of people are bad at distinguishing one whiskey from another. And most people think that Jack Daniels is a bourbon. (It’s Tennessee sour mash).
Of course, that leads to people mimicking their logo, for fun and profit (but mostly profit), like this book cover:
So what does Jack Daniels do? They thank the author for being a fan, but politely request a redesign for the reprint. They even offered some cash to help with the redesign.