No “Please do not” feature will ever work. Make sure something cannot be done, then bolt on an additional “well, here is a bone” opt-in feature (incl. the option to send fake data), if you really need to. Everything else is hoping, quite unreasonably, the “threat” of a lawsuit is sufficient to stop companies from violating your expressed preference. Hint: If they gave a damn they’d not do that shit in the first place.
Agreed. It’s essentially the same as someone showing their phone, with the conversation on screen, to a third party. Now, one can argue whether such “moderation” tools are something we want at all, as a society, legally, but as it stands it’s pretty reasonable for facebook to have it implemented this way.