SSC post is massive miss-forest-for-trees strawman, but I'm too tired to argue, so I'll just postrationally 

http://slatestarcodex.com/2016/11/16/you-are-still-crying-wolf/ …
huh... why is that a concern? Do you live in a charged/diverse neighborhood and/or is your child mixed-race?
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Hard to think of safer neighborhood, but fear of child predators permeates everywhere.
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Maybe not rational concern, on my part, but I trust son to find his way home vs. stranger taking him to their home.
End of conversation
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