What's happening here happens whenever a new PD starts at a successful station, and there's not much that can be changed. The PD is in effect announcing he's arrived and is doing his job.
Ken Charles joined WSB a few weeks ago, and I was waiting to see what he would tweak. Would he change the imaging voice? (Jeff Davis still sounds great after all these years.) Well, the first modification was the change from 95.5 to 95-5. Next came some changes to what the newscaster says at the start and end of the news. Gone is "this is Chris Chandler in the WSB 24-hour news center." Now the newscaster just gives his or her name. (The news center wording gave me the impression of a big newsroom.) And the wording at the end of the newscasts has changed a bit. Added has been something to the effect of, "Next news at 4:30 or when news breaks out." (Probably not the exact wording.) And instead of closing the newscast with, "I'm Chris Chandler, 95.5 WSB, Atlanta's News and Talk," it's now just, "I'm Chris Chandler, WSB News." (I liked Atlanta's News and Talk better because it defined the station, but Mr. Charles is a programming expert, and I'm not.)
I doubt any of these changes will result in the gain or loss of even 1 listener, but that's not really their purpose.