The term "helicopter parent" is more than a generation old. Here are some examples:
1994 - "Helicopter parents" make excuses for their children, rescue them from the consequences of putting off their chores, ... - https://books.google.com/books?id=kXkT2dXGjtYC&q=helicopter+...
1991 - "'Those helicopter parent of mine' ... Translation: a nosy grownup who is always hovering around" - https://books.google.com/books?id=AfQDAAAAMBAJ&pg=PA6&dq=hel...
Ahh, the Wikipedia entry traces the metaphor to the late 1960s - https://en.wikipedia.org/wiki/Helicopter_parent .
Of course the underlying concept is even older. The grousers of yore just used different phrases. Here are Google Book Search snippets predating 1970 for search "expect everything to be handed to them on a silver platter": https://www.google.com/search?q=expect+everything+to+be+hand...
This includes from a 1960 PTA magazine:
> 'I've known a lot of kids who were treated like little heroes. Afterward, they expected everything to be handed them on a silver platter— and it wasn't. They couldn't adjust.' "Beyond any doubt, the boys in Williamsport last week were treated as ...
A Boys' Life article from July 1937 at https://books.google.com/books?id=agt7vyGWtXoC&pg=PA14&dq=ex...
> We want to teach them not just to sit back and expect things to be handed to them on a silver platter but with confidence, based on their training, to go out and get what they want. We need to stiffen a moral flabbiness that has been affecting our youth.
Life Magazine, March 29, 1949 at https://books.google.com/books?id=b00EAAAAMBAJ&pg=PA6&dq=exp... :
> We have reared a bunch of weaklings in our young marrieds of today. Too much has been handed to them on a silver platter without their having had to work for it, and they lack the intestinal fortitude to meet life as a challenge.