The question of motive behind the Harris brothers’ actions concerning the Gibb family, known musically as the Bee Gees, is a misinterpretation. There is no record or credible evidence suggesting that the Harris brothers, presumably referring to Rolf and Max Harris, were involved in any action that resulted in the death of Maurice, Robin, or Barry Gibb. The premise of the question is factually incorrect.
Understanding historical accuracy is paramount when discussing sensitive topics. Spreading misinformation, even unintentionally through posing a question based on a false premise, can perpetuate harmful narratives. In this specific scenario, it is important to clarify that the Harris brothers and the Bee Gees were not related in any way that would suggest the plausibility of the posed scenario.