Doesn't matter how good the people at the top are. The candidate won't listen to them anyway. He knows better than everyone. They can't control what he's going to say and do. It's total chaos. The reason they are acting like this is for the first time in 8 years, every time he farts something it isn't the top story anymore. The media has turned their attention away and I think he's in shock.
So he and JD just go on the attack and some of their attacks are only going to play with the alread-converted. The rest of America is kind of sick of that stuff.
But Trump just doesn't and can't connect with the young vote (and Biden wasn't either). The term is Youthquake and he's an old brick building with a stiff foundation. Kamala is modern, sleek, youthful, energetic, joyful - all the things he's not. Walz is folksy, in a real way, something Shady Vance can't even fake.
All their eggs were in the "He's Too Old" basket and now Trump is the basket.