Is the loss of civil rights worth it? Loss of privacy? Does it give more security?

"After the September 11 attacks, the U.S. government changed its domestic policies in a lot of ways that did little to keep its residents safer from terrorism, even as it infringed on civil liberties and weakened basic protections against government abuses."

This is also of interest, for those with lots of time to look into it:
War on Terror: Crackdown on Civil Rights; War on Freedom ? Global Issues