It's PAINFULLY EASY to mark that information private, and to go into the Platform settings and make sure your friends "cannot bring your information with them into apps and websites".
It's two screens and takes about thirty seconds for you to control your Facebook and how much data leaves it.
Seriously guys, don't blame Facebook for your incompetence with their privacy settings.
A few years ago it was easy to blame Facebook for their privacy settings. They would make a privacy change and override your previous settings. Then the federal government stepped in and forced them to honor your explicitly chosen settings.
It's PAINFULLY EASY to mark that information private, and to go into the Platform settings and make sure your friends "cannot bring your information with them into apps and websites".
It's two screens and takes about thirty seconds for you to control your Facebook and how much data leaves it.
Seriously guys, don't blame Facebook for your incompetence with their privacy settings.