My daughter goes to elementary school in Bay Area. She was cursed and told "Go home and tell you mother m**f** like this *" with obscene gestures. Based on our experience such rude, obscene and unhealthy behavior isn't uncommon. In addition, adults and kids are exposed to all shitty and violent content through streaming platforms which is also impacting their behavior.
What do you also think about safety with so much of gun violence and abuse going on in USA?
In our experience, private schools in India are much better and probably safer for kids. They offer all-round learning experience (books/studies, sports, cultural experience etc.) and hot fresh meals as well. It is expensive and hence it is not commonly available to all kids, but I don't think such school experience is available in USA as well (especially cold and frozen food given in schools).
While I agree about some of your points related to safety, pollution, and overall civic sense, I don't think it living in US is somehow better. May be you are living in USA with extreme privilege and/or with narrow vision and mindset. :)