He's no Bob Costas, but he's a nice guy, and I'm happy for him. Interviewing someone, and calling a game are drastically different skills. I know a guy who does fill in play by play for a major league baseball team. He went to school for it. He's gifted. However, there was no advantage for him in getting the job he has.
When you think about skill in the broadcasting arena, just imagine how much better the field would be if former athletes were never allowed to call a game again. I can't think of one athlete that can actually do it without making up words or speaking like an 8 year old.