why are polyandry people generally unattractive?

i dont mean to cast shade, but generally speaking, almost all the poly couples i have met irl, or met online dating, tend to be... well unattractive at least by general standards. Maybe its just my own experiences, but almost every poly person i have ever met personally seen are unattractive. like you will never see a brad pitt or lenardo dicaprio in these relationships. Again, no shade