One particularly illustrative review of the Jewish tendency toward insularity which colors the general perception -- again -- fairly or unfairly --- is the impact of the Orthodox community on the recent history of Lakewood New Jersey -- Its phenomenal growth and what that has meant for the town. It was chronicled in a nine-part series by the state's largest newspaper, the StarLedger: https://www.nj.com/news/index.ssf/2017/08/window_on_lakewood_inside_the_fastest-growing_comm.html
On YouTube... Lakewood's explosive birth rate... second highest in the world!