Exactly so: if you put your address and other contact information online, people will find it.

I started off agreeing with her complaint, but it suddenly struck me: she's trying to avoid an abusive ex-husband - why on Earth did she even put that information in her Google profile to start with?

I have estranged family members, which is exactly why I don't put that sort of information in online profiles, and I'm not even worrying about an abusive husband who has my email address.