The story seems appealing at first but it has many holes. Saudi royal family wouldn't really care about OBL. The team wouldn't dump his body over a mountain and then also have a cover story that falls apart the moment the body is found. Pakistan is a huge country, the aid is fraction of its gdp so US couldn't really threaten Pakistan. Nor would Pakistan likely host OBL and risk becoming a pariah state if not everything rolled out according to their plans. Pakistanis wouldn't hold him prisoner in an urban center and the exchange wouldn't happen there either.