He is clearly an American, as he used “we” in the first paragraph talking about Americans.
This is a classic case of Americans thinking they are a uniquely big and culturally diverse country, despite the fact there are a number of countries that are bigger(including mine), and the US is not culturally diverse at all compared to many, many other countries(including mine).
You should leave your country once in a while.
By all accounts it is not:
1: religion is not a sentient being, so it can’t be impaired intellectually 2:religion is hardly developing later than desired or expected as it was with us for our entire history 3: religion is not socially inappropriate in almost every society, and it is by no means “foolish”, and if you wanr to say otherwise it is up to you to prove it is.