The ultimate impact includes people the listeners talk to about the interview, and people they in turn talk to, as well.
I’m sure there are people who calculate and estimate this as a profession. It has to be an incredible advantage for MAGA that both of them have this ability. And, it has to be a serious problem for the Dems that neither Harris or Walz can.
This is what the Left simply CANNOT DO. They are either too dumb to answer intelligently, or poor conversationalists, or unable to form coherent thoughts. They can't do unscripted long format interviews.