I don't think those two things are connected. The US coddles children more than any other country, yet more people slip through the cracks in the US than in any other rich country, and witnessing the streets of SF and other major cities, that problem is getting worse, not better.
>>teract+(OP)
Many are coddled, and I'd argue many are literally caged, and come into adulthood with all the behavioural issues you'd expect of a dog that spent its formative years in a kennel.