Comment: I said "more often."

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In reply to comment: I am a responsible parent (see in situ)

I said "more often."

Exceptions don't make the rule.

As for the parents who are teaching that "not all strangers are bad," I can't really imagine the likely scenario that would prompt such a lesson. Except if at first you were emphasizing the importance of NOT talking to strangers, and then following that up with a lesson about exceptions.