I have encountered this kind of maniacal Jewish driver also in the USA. This is symptomatic of a personality type that can only be described as crazed.
From "Slow Train to Jerusalem" by Jane Friedman
New York Times, 7 August 1983:
The well-versed traveler to the Holy Land is familiar with the legendary Israeli, his qualities and his roadside manners. Intense, in a rush, he speeds, tailgates, beeps and passes on the four-lane Tel Aviv-Jerusalem highway, the scene of horrific car accidents every week.