Strategic bombing of sites built under city neighborhoods has a built in collateral amage. You are suggesting making scrambled eggs without breaking any eggs.
There are some 400,000 Revolutionary Guard troopswhich meed to be defanged. Same comment as above.
Collateral damage would be politically unpopular but are you going to sit around as cancer kills your body or go and have surgery in which parts of your sick body are removed? To avoid this collateral damage?