It is easy for them to use info against you outside of the courts in all sorts of ways, from blacklisting to blackmail. Or if you really piss them off the government can just throw you in jail and refuse to prosecute you, like the guys in Gitmo.
I feel the same way about NSA surveillance at this point, on Tuesday June 11, as I do about airport security: it's ineffective and offensive, but not the start of the decline of the Republic.
Let's vote this gal/guy into office so we can have our rights suppressed in the name of freedom, said no one ever.