Why do we fail to detect or defeat the guilty, and why do we do so well at collective punishment of the innocent? The answer to the first question is: Because we can't—or won't. The answer to the second question is: Because we can. The fault here is not just with our endlessly incompetent security services, who give the benefit of the doubt to people who should have been arrested long ago or at least had their visas and travel rights revoked. It is also with a public opinion that sheepishly bleats to be made to "feel safe." The demand to satisfy that sad illusion can be met with relative ease if you pay enough people to stand around and stare significantly at the citizens' toothpaste.
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What nobody in authority thinks us grown-up enough to be told is this: We had better get used to being the civilians who are under a relentless and planned assault from the pledged supporters of a wicked theocratic ideology. These people will kill themselves to attack hotels, weddings, buses, subways, cinemas, and trains. They consider Jews, Christians, Hindus, women, homosexuals, and dissident Muslims (to give only the main instances) to be divinely mandated slaughter victims. Our civil aviation is only the most psychologically frightening symbol of a plethora of potential targets.
Source: http://www.slate.com/id/2239935/
I completely agree. The death cult of Islam must be defeated at all costs.