An immigrant arriving from an external environment directly to those institutions would have significant exposure to those perspectives and not to others. USA is heterogeous and split into very different communities/tribes - while there are many and large communities like you describe, in many communities across the country, the dinner tables and churches aren't really a part of their daily life at all and people don't say "God is control"; and the communities that do don't interact much or deeply with the communities that don't.