If this system of racial profiling would be effective when it would be implantated in airport security, I would be in favor of it. If that is the cost of preventing acts of terror to happen, then screw political correctness.

However, I sincerely doubt the effectiveness of this system.
First of all, making such a system operational, actually carrying it out the way some people want it to, right now, looks quite impossible. What's more, even if operational, it wouldn't give the results that were planned.

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See, we can act as smart as we want, but at the end of the day, we still follow a guy who fucks himself with kebab skewers.