Israel definitely wants to get rid of Irans ballistic missiles.
That said; if you believe (as do some commenters here) that Israel could ignite nationwide protests with 100,000s of people whenever they want, then they definitely don't have to worry about Irans army
I don't believe Israel can ignite nationwide protest and sort of assume, as a military/strategic matter, that Israel's primary response to Iran's MRBM capabilities is deterrent. Israel control's Iran's skies. I think the direct military part of this conflict is basically over.
I'm just a message board commenter, this is just a take.
That said; if you believe (as do some commenters here) that Israel could ignite nationwide protests with 100,000s of people whenever they want, then they definitely don't have to worry about Irans army