You make a point, personally I was raised with 'stranger danger' being warned by my parents of children who went missing after giving out where they lived. When I made my profile I was 15 I think, and I never included my actual location for public view. I haven't updated my personal information since then so mine probably says something along those lines.
I know you don't cast, and I'm guessing you don't believe in tarot cards, but knowing basically what country can help personalize it. Again, I do feel strange knowing exact locations of people and I prefer knowing the country, maybe a state/Provence is as close as I want to know. You do make a point with language and time zones but I haven't run into a major problem, I don't use chat, and typically people state English isn't their first language before asking a question. Chalk it up to fear and fantasy why many put "flying through the sky" or something. Plus many of them think this site talks about faerie tale magick and its fine to post your role-play location.