The probability of all 123 names being Arabic versions of John Smith is a very simple number: zero. Also, the probability of an artist understanding more about statistics than an historian with an MBA who’s traded forex for 40 years (me) is the same number.
If you trust Hamas and its repeated reincarnation of male combatants more than the DSSG statisticians and Wyner, you're thinking backwards from what you wish to hear and believe to the numbers. Your contempt for expertise is the same as Brexiteer Michael Gove when he said in 2016 that “people are tired of experts”. It’s the same mindset, from the left, as BoJo and his Battle of Britain Brexit, Erdogan’s monetary policy, Trump’s view of inflation-free tariffs and Corbyn’s view of Hamas as a “force for justice in the world.”