And tell them what? Please all go install a different app? That only works if you can get everybody on board, it's unacceptable if a parent gets left out because he isn't there that day or cannot get it to work.
You would also have to explain to them that Facebook cannot read your messages, but they can see the meta data. And then you have to explain to them what meta data is.
I think your kid is not going to appreciate your efforts.
