It is almost impossible to make restrict access to internet in a world we are in today. Such much has been integrated into the internet that no one wants to loose whatever it offers. If it's about the disadvantages then there are better ways to go around it, not fully restricting access to the internet.
We have people whose life would be in shamble once there is no internet because that their source of income and engagement.
That absolutely correct, internet has come to be so woven in our lives now that restricting it would cause more damage to lot of people.