Sergey, you don’t seem to have a photo on your work webpage. 
How would one know if they were a teenage girl? By your line of posting, you would have teenage girls post their personal information here. I don’t think that is appropriate.
Let us take something historical. Imagine OSM existed in the period 1970-2000, during the troubles in Northern Ireland. A user takes an interest in mapping the churches of their religious denomination. They can do this because they are a volunteer that compiles the denomination’s directory. They are then targeted by paramilitaries and killed.
Or someone maps a security installation, but only in a very general way, using obvious information. They are then charged under the Terrorism Act of possession of information likely to be useful to a terrorist. Just because they posted the street address of a police station and the building outline.
All that said, in their local OSM communities, people do share more information, because they have better control of information at that level.