A recent poll of Saudi Arabians found that Israel ranking third in a list of the country's "main enemy", behind Iran (53%) and ISIS (22%). Israel followed with 18%.
It has long been hypothesized that a detente between Israel and the Arab world might emerge primarily from a shared interest in containing Iran. That said, Robert Farley is not wrong in explaining why this hasn't happened yet: there at least three middle eastern nations (Saudi Arabia, Israel, and Turkey) with defense budgets that dwarf that of Iran. Nonetheless, this has been a known diplomatic point-of-entry for years, and this poll suggests that everyday Saudis, though certainly not warm towards Israel, at least perceive Iran to be the greater security threat.