Assuming people have a good relationship with their parents, they would want them to be involved in their children's lives.
The bigger issue, in my social circles at least, is that Americans don't live near the grandparents. The economic opportunities exist in a certain few areas, and either the parents aren't willing to take the economic/quality of life hit to leave near their grandparents, or the grandparents can't afford to come live near the grandkids. Especially in the "good school" district areas.
The best situation I've seen is from Everybody Loves Raymond, grandparents nearby, but still in a separate house. But few grandparents will be located in the same neighborhood as the kids. Typically, similar size/price houses are located near each other, and the more expensive homes in with access to better schools come with higher property taxes/maintenance, which older people might not want to pay.
The bigger issue, in my social circles at least, is that Americans don't live near the grandparents. The economic opportunities exist in a certain few areas, and either the parents aren't willing to take the economic/quality of life hit to leave near their grandparents, or the grandparents can't afford to come live near the grandkids. Especially in the "good school" district areas.
The best situation I've seen is from Everybody Loves Raymond, grandparents nearby, but still in a separate house. But few grandparents will be located in the same neighborhood as the kids. Typically, similar size/price houses are located near each other, and the more expensive homes in with access to better schools come with higher property taxes/maintenance, which older people might not want to pay.