No, America has almost certainly protected itself and other nations by systematically killing terrorists. The blame should fall on the idea that because not all Muslims are bad; we should take no precautionary measures. Only America and Canada have 'no fly lists'. I know that two of the three terrorists that attacked Paris were French, but a no fly list should be put in place anyway -- these terrorists were on America's no fly list, by the way.
"On my business card I am a corporate president. In my mind I am a game developer. But in my heart I am a gamer." - Satoru Iwata