He misses so many points, it seems unsporting to point out another couple, but:
(a) not many Israeli missions were flying low level drops in (relatively) slow transport aircraft, and would have had a full EW/SEAD support package alongside.
(b) Madaya may only be a short distance inside Syria, but it's near the borders with Israel and Lebanon and relatively near Damascus, so any delivery flight would need to fly thorugh those countries.
so it wouldn't be a quick 'chuck some sacks out a C-130' job
He does make one good point regarding ISIS having access to a nuclear reactor if the Israeli's hadn't bombed it.