yup. You are going to spend a lot of time with the announcers of your baseball team, they need to be real people with identities, ideas of their own, hold a conversation with their booth mates like an equal, project their own personality connecting to the audience. Shep didn't think any of that was his job. That's why he no longer has it.
Benetti may go overboard a little, but at least he is there as himself and as a full partner.