I think you did the right thing bringing it up because it was a legitimate concern and also very possible that she didn’t realize the possible ramifications of giving out that info.
That said, her response tells that she may have some reason for wanting the info out there. I can think of several reasons this could be. It could be she just wants to share more to have users feel like they are part of her offscreen life. Or all the way at the other end of the range of motivations, and this may be unlikely in this case I don’t know, some models on SC DO engage in meetups and this would be a way to put those feelers out there.
At the end of the day, IMO you were justified to bring it up, but it’s just like any other advice you might give - she could take it or leave it. She’s an adult woman running her business. I know you know this, I’m not trying to insinuate that you don’t