Why move the goalposts to Iran? He's killed hundreds of thousands in Gaza and so far several thousands in Lebanon (including, today, an attack on UN peacekeepers!). If he's standing in the way of a ceasefire—and to be clear, I agree with you that he is—why doesn't Biden force him to, cut off the weapons supply, and stop giving him the diplomatic cover? Him failing to do that is what pushes the election in Trump's favour.
And with regard to Iran, how is this helping? On top of feting Cheney and all the other neocons who have been lusting after war with Iran for decades, she's quite literally helping to manufacture consent for it: