[By your reference, then Greyhound Bus or Amtrak are "social networks" in America.]
Except it is not limited or created by a specific SOCIETY/CULTURE.
[for economic gain]
That's what thousands of kids who cannot work in America are sent by the thousands most notably the sudden surge near the end of Obama's administration?  That was "for economic gain?"  I don't know what world you live in but in today's America kids cannot work "for economic gain."
Are you trying to selectively ignore the significant differences just to justify the comparison, ie. cherry-pick?