It’s basic enemy-of my-enemy logic. It’s not always correct, but often enough to remain a powerful heuristic. It would be interesting to know if anybody has tho

It’s basic enemy-of my-enemy logic. It’s not always correct, but often enough to remain a powerful heuristic. It would be interesting to know if anybody has thought deeper about it, and if there are specific strategies of persuasion that work better in such situations? I’d intuitively think it might be beneficial to acknowledge the cognitive dissonance people might be experiencing when arguing this matter.