Well they managed to scare the whole world pretty good in the last decade. With the help of our governments of course but in the end everyone says, it's their doing.
>"In a [previous study of mine] assessing terrorism's coercive effectiveness, I found that in a sample of 28 well-known terrorist campaigns, the terrorist organizations accomplished their stated policy goals 0 percent of the time by attacking civilians."
>"The seven puzzles...are: 1) terrorist organizations do not achieve their stated political goals by attacking civilians; 2) terrorist organizations never use terrorism as a last resort and seldeom seize opportunities to become productive nonviolent political parties; 3) terrorist organizations reflexively reject compromise proposals offering significant policy concessions by the target government; 4) terrorist organizations have protean political platforms; 5) terrorist organizations generally carry out anonymous attacks, precluding target countries from making policy concessions; 6) terrorist organizations with identical political platforms routinely attack each other more than their mutally professed enemy; and 7) terrorist organizations resist disbanding when they consistently fail to achieve their political platforms or when their stated political grievances have been resolved..."
