For me the only real answer is "Connections" - they will miss out on connections with people that will make the world go around in the future (even if its only

For me the only real answer is "Connections" - they will miss out on connections with people that will make the world go around in the future (even if its only some local version of world for ex. Your city). Direct access and familiarity can be all that matters when Your children will be searching for good job or funds.