A talk like this, but broader and including all kinds of human communications/interactions in general (including AFK/off-line interactions), will still be needed to happen between a girl and the girl's parents in the foreseeable future, due to the basics of human nature; it may as well include the online behaviour.

After all, there is a reason why "some random women will send you unsolicited vag pics just because you're a buy"-talk doesn't need to happen with boys.