Well, maybe she just likes Atlanta.
A lot of celebs do; it ain't just Elton John. The main thing I hear is that they find they can go out to eat or to a show and nobody comes up and bothers them for an autograph or wants to get their picture taken with them or the rest of the silly stuff that they all have to put up with elsewhere. We're so polite it makes you want to puke.
Oth, it is worth it as an example to the kids. Everybody has to learn to control themselves, but there's little enough of that these days.