If the simple model is in exact equipoise then the more complex considerations become very important for answering the question. If the a model taking into acco

If the simple model is in exact equipoise then the more complex considerations become very important for answering the question. If the a model taking into account all the complexities was still in equipoise than it would come down to noise. It is very unlikely that of the roughly 7 billion people on the planet the women have exactly as many brothers as the men. There's an empirical answer here.