I don't think it will matter, had the pick been Shapiro or Kelly, the knives would have been out for them, just as they were for Vance.
I think the election may hinge on whether they can keep Harris out of nonmanaged scenarios, the economy, and whether Trump can somehow rein in his impulsive behaviors.
Most folks are already decided.
The stock market futures are up again today a bit. I was looking for a dead cat bounce, and maybe yesterday and today are just that.