A not-unreasonable explanation of the current situation.
The Gulf countries, the wealthiest states among the Arab world, are among the largest donors to Syrian refugees. But they do not take in refugees to their own countries: none of them officially recognize the legal concept of refugeehood. This is not a specific issue of hostility to Syrian refugees: the six Gulf monarchies have never signed the international conventions on refugee rights and statelessness, which began to be established after the Second World War. - See
https://www.chathamhouse.org/expert/comment/why-aren-t-gulf-countries-taking-syrian-refugees#