Alright, let's make it about humans: Person A prefers apple over oranges and potatoes over tomatoes. Person B prefers also potatoes over tomatoes but does not

Alright, let's make it about humans: Person A prefers apple over oranges and potatoes over tomatoes. Person B prefers also potatoes over tomatoes but does not care about apple or oranges. Original poster now argues that it is okay for Person C to say Person B is an oranges hater, just because Person B prefers potatoes. Replace Person A/B/C with your favorite groups of adversaries.