However the idea that this was a precisely targeted operation is pure fiction. Mossad understands perfectly well that Hezbollah is a "horizontal" organization, widely permeated in Lebanese society. And though the pagers themselves seem to have wound up in mostly in the intended hands, Mossad knew also that, at the time of their detonation, they would be located would be be wherever the operatives were: in homes, taxis, grocery stores, cafes, hospitals, on street corners, and apparently (per news reports) at at least one funeral.
That's how we ended up with a large if not yet precisely known proportion of civilian deaths and maimings (the latter category being vastly larger of course -- including a staggering 300 cases of persons losing one or both eyes). Unfortunately we're still lacking in reliable reports, as world attention has moved onto other atrocities. But according to the Lebanese Health Ministry the deaths included 2 children and 4 health workers (one Hezbollah-affiliated), among some 42 total. From this it seems reasonable to extrapolate a "non-affiliated" ratio of at least 20 percent, likely higher.
None of which would have been accidental from Mossad's point of view. If anything, we can be entirely sure these numbers (and the fact that they would surely include children), along with all the horrifying scenes reported in hospital rooms in the immediate aftermath, are in close agreement with the thoughtful, meticulous predictions they made when they decided to sit down and press the buttons for these attacks.
Finally:
I don't believe anyone can name a more targeted military operation.
This is just silly of course, as every large war (including the current one in Ukraine) includes countless incidents of military installations being precisely targeted with 100+ entirely military KIA, and so forth.