Because we're talking about real life, what exactly do you mean, and what does it matter? The concept is almost never true - and a strong signal of subjectibe

Because we're talking about real life, what exactly do you mean, and what does it matter? The concept is almost never true - and a strong signal of subjectibe bias - and also not useful for international relations or for any conflict. They are acting according to their interests, using the means they have.