Honestly it's baffling. They wouldn't have even had to actually do anything. They could have just let a Palestinian-American come up and say generic "we have to do better for the people of Gaza and the people of the world" type of shit and they would have even said that they endorsed Kamala. That's it, and a shitload of people would have been at least able to lie to themselves and say "ok, she'll do something different." But they couldn't even be asked to go through the motions this time.
It's such fucking smooth brained reactionary shit, you don't get to act like Republicans because Republicans will never vote for you, the ones that will are only ever going to do it to not vote for the current fascist, and their policy led to him.
I guess maybe the taste of David Frum's approval is sweeter than winning an election.