Perhaps, but they're also very wealthy (at least the royal families). They'd just buy it from someplace like Pakistan.
Maybe, but then they are so unproductive that they would be able to recreate the technology or use it properly on their own they way they would need to anyway. I mean, we really are talking mega unproductive douchebags here. And what would they do with the nukes ? Even with the nukes they probably would still feel the need to have Israel back them up against a Shia nuclear Iran. The Saudis have already stated their willingness to have Israel take the initiative: http://www.freerepublic.com/focus/f-news/2285767/posts
With the Saudis, also remember you are talking about people with no spine whatsoever, unless you’re talking about their ability to ruthlessly supress defenseless women and Shias and political opponents in their own country.