The story is that he proudly shared this story. He thinks telling his young child to shut the hell up because Trump is more important paints him in a good light.

This wasn’t a hidden camera capturing a bad moment, this was Vance bragging.

It’s a story because he’s a weirdo monster that cares more about licking Trump’s boots than loving his kids. Even if that’s not the case, he told that story precisely to communicate how much he loves a man he previously described as a modern Hitler.