Most of the tightly closed enclaves are by choice (refugee communities tend to stick together harder than others, from what I can tell). Obviously, not everyone

Most of the tightly closed enclaves are by choice (refugee communities tend to stick together harder than others, from what I can tell). Obviously, not everyone lives in an enclave. What on earth makes you think they are second class citizens? They vote, attend school board meetings, own homes and live just like anyone else.