I don't normally run articles in which speculate too much about world politics--the online world is full of them. However I am running this article because it is not only posted on a reputable website (although with an emphasis on issues important to Russia), but because I have read numerous other reports that support the facts presented in the article. Regardless of what we think of this medieval kingdom, it does play a very important role in major conflicts and geopolitical issues. Thus, it is important that we stay informed as much as we can about the kingdom's politics.
...many members of the Saudi Royal Family are concerned about the situation which has come about after the new King Salman bin Abdulaziz Al Saud came to power. According to the Egyptian newspaper, the Egyptian Gazette, the changes that have occurred in the Kingdom’s foreign and domestic policy in less than 9 months of King Salman’s reign have cause a growing number of problems in both the Kingdom of Saudi Arabia and abroad. Dissatisfaction among the Saudis has risen to a new level.
All of this is reflected in a letter that members of the Royal Family received from one of the younger princes. [my link]See also this article by Pepe Escobar entitled "What’s the Big Deal Between Russia and the Saudis?".