It makes it difficult, 80 targets (all true) every time.I'm pretty sure the purpose is to make interception extra difficult. Civilian life is just collateral when you place military installations and equipment in civilian dense areas (such as Israeli AD batteries that we've seen firing many times from the center of Tel Aviv, Mossad offices under a bloody hospital, government buildings in the middle of Tel Aviv's commercial areas).
The problem is, well, had Iran a more proper military IRBMs, those refueller bases would've turned into Zoroastrian shrines, radically reducing blue ability to bomb Iran in the first place.