To be honest, I would have expect Qatar to loosen up it's citizenship law few years ago. But now, I doubt that. Qataris now cling to their identity more than ever, anyone who witnessed the national day must have saw how each tribe were proud to demonstrate their traditions through the sword dance "arda".
I don't think any member of the current advisory council ( which are representatives of different Qatari families & tribes) would approve a drastic review of the law.
Citizenship for the offspring of Qatari women married to foreigners have been under review for years and still not given a final approval, which in my opinion are more entitled to the Qatari nationality than any other cases.
It's important to highlight that The emir every now & then grant citizenship to those who serve the country in many fields like education, medicine, police and military.