Comment by anigbrowl
I'm not so sure. It certainly shook Hezbollah and no doubt some of the dead or seriously injured held sufficiently important jobs within the organization to cause problems.
On the other hand you now have a few thousand people who suffered unpleasant but not debilitating injuries who are now sadder, wiser, and very very pissed off. My impression is that many of those attacked could have been middle managers or mid-ranking officers. They're now veterans of a traumatizing national event, which will probably increase Hezbollah's standing among the general populace.
(The notion of Hezbollah as a mob of ak-47 wielding foot soldiers is a stereotype from movies and TV that seems to have taken root among many HN readers.)
I see it a bit differently, or at least I see a different possibility. Most of the injured were pager-owning Hezbollah members who were already pissed off in a way that has religious & ideological foundations unlikely to be changed regardless of events. The general populace might go either way, angry at the attack and/or angry at the Hezbollah members for attacking a much more powerful enemy and bringing the violence into their community.