Only issue is that kids going outside alone has become highly stigmatized in society to the point where doing so gets you jailed and charged[0].

The kid will grow up to almost always be able to contact most any human in the world. Knowing how and when to do that is probably going to be a more useful skill.

0: https://imprintnews.org/top-stories/is-it-a-crime-to-let-you...

Side note: As above article states, after this arrest SB110 was passed to specifically outline what is reasonable for this situation.