>>510543359Assad didn't really have much to retaliate with, especially during the civil war, so it was better to avoid increased escalation even if the ceasefire was technically violated by the Israelis
>>510543389Hezbollah was instrumental in the expulsion of Israel from Lebanon
Hezbollah was a critical part of Iran's deterrence against Israel, at least until recently when it was demonstrated that Iron Dome had made Hezbollah's rockets mostly obsolete whereas Iran's own long range missile force had become advanced and large enough to provide deterrence