Could it be US strategy? UK Strategy? Saudi strategy? (Yes, Saudi strategy). Or even the strategy of the "mineral interests" (Oil multi-nationals)?
You say
"This group is just as likely to be funded by the CIA or MOSSAD as Hamas.". I say say that this group is just as likely to be funded by MI-6 or the KGB or British Petroleum, or Shell, or ExxonMobil, or TexacoChevron, or PhillipsConoco, or Halliburton, or Bechtel, or Carlyle. And the gunmen could be locals indirectly hired by Blackwater or Pinketron, or even "Bond, James Bond, 007."
I am not altogether facetious when I blame "British MI6" and "Bond, James Bond, 007" for these events. Borrowing a page from my paranoid Eastern European ancestors --
I have always bought into a William Engdahl ("A Century Of War : Anglo-American Oil Politics and the New World Order") and Sykes-Picot Agreement model -- i.e., keep the "small states" small, relatively weak (relative to the US, UK, France, Russia) and battling with each other. This keeps their collective attentions diverted from the real exploitation of their mineral wealth by their own autocratic rulers and by the US, British, and Dutch "interests."
From a classical Marxist analysis, the power elites (bourgeois) divert the attention of the proletariat from their exploitation by the bourgeois - e.g., by blaming an outside enemy (classically Orwellian) or by hijacking religion into the service of the bourgeois, an "opium of the people" to sanctify the exploitation, wars, laws and class divisions of the elites. See, e.g., What's the Matter with Kansas? How Conservatives Won the Heart of America by Thomas Frank.
The data fits the Marxist Model, the Orwellian model, and Thomas Frank's model.
And to a point, this instability serves US, British, Saudi, and Big Oil interests. It is a simple, non-convoluted "fits the data" and explains the impact of PNAC and the NeoCons (Hint - Israel is tertiary to the PNAC/NeoCon boys - OIL is primary and secondary). If one reads the drivel of PNAC (not the blog - but the actual stuff) - it is all about control of the oil spigot. A "Greater Israel" is so far down on their list of priorities as to be a "throw away."
So, when I see the masses in the street (and on some web sites), psyched up to blame "Mossad" and "The Zionists" and "The Israelis" - I think "Probably more likely the CIA, MI6, the KGB, or Big Oil."
Que bono? Turmoil kills Israeli and Palestinian proletariat. But it diverts attention away from the failings of the House of Saud, and the exploitation by the outside mineral interests.