I think it lets Biden and Harris off the hook to chalk the public's foreign policy jitters to fear mongering by Trump. There are real reasons to be concerned. Here is reporting from NBC that US military officials have floated providing intelligence to Israel to facilitate retaliatory strikes on Iran or even direct American strikes on Iran (either of which, besides being wildly escalatory, would also be illegal without congressional authorization, but the rule of law is already way out the window here). There was also the recent Politico story which revealed that administration officials (i.e. Brett McGurk) encouraged Israel's ground invasion of Lebanon. No one should have any confidence that the current administration is going to do anything to bring about peace. Things are only getting more dangerous and escalatory (just today, the IDF fired at and injured Irish soldiers in Lebanon as UN peacekeepers, a fun new twist), and Biden is either driving the car or along for the ride.
All this is very unpopular and does no political favors for Harris. But she's all in, too, repeatedly making clear that there is zero daylight between her and Biden.
There is no reason to think Trump would be any better on any of this stuff, but you can't blame him for Harris deciding to double down on Biden's folly. Maybe she's a genuine neo-con and is just following her heart, but the political math here is baffling.
