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The cycle makes sense, but it shouldn't exclude basic manners and courtesy. Those can still be taught and practiced.

That all went away when parents started to become combative when the community gets involved in helping raise the kids.Now a days,it doesn't matter what the kid does wrong,if it ain't yours you better step back or the parent will attack you

This is true; community-based raising of children used to be more of a tradition than it is now. The phrase "it takes a village to raise a child" has validity because children pick up habits from their environment, peers, etc.