Yes, so if your calculation is just safety first, don't worry about anything outside of your immediate family, you'll be disappointed to learn you don't live in a vacuum.
find out who to trust in your immediate community.
Wearing a shirt with the message "pedophiles fuck kids" or "Israel kills children" is a pretty good way to find out and confront it before it's a problem.
Broadcast it.
Stop pretending broadcasting ideas is bad.
You know who's idea that is. It's not yours.