The welfare state sounded like an excellent idea when it started - people who fall through the cracks of private enterprise and charity, which is unreliable, do need some help. The Beveridge Plan in Britain envisaged a safety net for those who really could not cope and had no recourse to help. Who could argue with that. Well, we can now, as we see its outcome.
Dan Mitchell, of Cato Institute, explains the dynamic, giving two pictures as explanation. Here are the pictures, but the piece is worth reading.