They did it because they’re largely secular.
More on the invasion of Lampedusa:
This video was put out by the church they burned down later:
http://www.youtube.com/watch?v=xoAGn2YnXSE
Looks more like an invasion to me as they yell out Allah Akbar as they destroy things:
http://www.youtube.com/watch?v=AQSwDT7v6tY
Note the color of skin of those that are really in trouble in Libya then notice the color of skin of those in the pictures above. The attackers also use the same mode of operation against the island of Lampedusa as against the black minorities in Libya:
http://www.youtube.com/watch?v=YNA8z5G-Xmk