Well... y'know... one man's terrorist is another man's freedom fighter. Civilians get caught in the crossfire in any conflict, no matter how worthy the sides.
And The World Trade Centre as a Death Star - a shining bastion that can spell certain death for some people? Many would say there's no difference between capitalism and a giant lazer when it comes to it.
What are Luke's real motives? He wants to have some fun, impress a lady and stop some distant thing that he's told is "evil". Sounds like a young Jihadist to me.
*retreats behind a wall*