My point is, if you don't control the source of the recording (whatever it may be), you can't control what happens to it. With how easy it is to share any data these days, it could go places you don't want it to very quickly.
"Have fun" was a general comment for people. Look at all the political fallout that has happened to various people over pictures from decades ago that have resurfaced, for one example.
Here's another (older) example of what I mean: https://en.m.wikipedia.org/wiki/Star_Wars_Kid