I think you’ve got it!
Besides, maybe the people he really wanted to arm were even more extreme than even our Muslim-loving State and Defense Departments could tolerate, and he needed to use the back-channel of Benghazi. That way he could maintain deniability when the “rebels” turned out to be Al Qaeda, bringing another day of the glorious Arab Spring to the Middle East.
The anti radical Islam bias can go overboard.
It seems that while someone here, State Department, CIA, DOD...... was involved in moving surplus arms to Syria, the other end of the pipeline was Turkey.
That is, the Turkey/GCC coalition would disperse the arms to those units deemed most desirable and not the radical yahoos founded for the specific purpose of bringing them down. It is also worthwhile to note that those units include Special Forces advisors provided by the coalition