What's more, sharia finance is another tool of Islamic separatism; instead of assimilating into American society, Muslims are demanding, and receiving, parallel financial institutions that reinforce the idea that they are unique, not subject to the laws and norms to which the rest of us are subject-a privileged class. At the same time, sharia finance initiatives are giving Islamic interests increased control over Western economic life.
Robert Spencer (2008). “Stealth Jihad: How Radical Islam Is Subverting America without Guns or Bombs”, p.185, Regnery Publishing