Yeah but the problem is that the house is divided and will fall. There are all these rich family members that have sympathized and or have been intimidated into supporting these kooks there is no way for the king to clean house.
Maybe. But if Abdullah can remove Al Qaeda from the equation then you might see the majority of the House of Saud return to what it really likes doing.
Making camel loads of money selling oil to the west.
Any remaining disgruntled rear-hump royals could be more easily handled without an Al Qaeda organization around.