BTW, that argument can be applied to the "imprison all men as potential rapists" argument.
It can also be applied to the "imprison all conservatives at potential Timothy McVeighs" argument.
You would surrender your freedom for a little security.
"Crouch down and lick the hand that feeds you. May your chains rest lightly upon you and may posterity forget that you were our countrymen." -- Samuel Adams.
A rapist trespasses on one life, for his own edification, making him a criminal. A terrorists or alien belligerent/spy trespass on many lives, for a general ideal, making him an enemy.
How is it that you can't tell the difference?