Arab Jews in yemen are Arabic descend..don't forget that the Arabian peninsula was Jewish, Christian and Pagan before Islam. They are Arabs even if they follows the Jewish religion.

I do agree with your summary and to highlight this...during the Doha debates about Dubai, the prominent Dubai businessman Mishal Kanoo when asked whether Dubai was losing its Arab character because of the development and expatriates, he answer was "Which Arab culture r u talking about..Egyptian, Syrian, Palestinian..."