Before killing a struggling brand, go back to basics: is it the name, how it looks, or how it tastes? Fix those weak points and try again if you still believe in it. If you don't, cut it loose.
Chapters
I don't pull the plug on anything. I think you take the learnings from whatever it is you're doing and how do you enhance and go back and try again. So if you have a product that's not moving, I go back to first principles. What's missing with the product? Was it your naming? Was it the way you served it? Was it the taste? What did you do wrong in identifying it? And then rework it if you believe in it. If you don't believe in the item, then yeah, kill it, move on from it. But if you're like, this is the greatest thing I've ever actually tasted in the concept and it's not moving, let's Figure out why it's not moving and rework it and keep it going.