What is so appealing about conspiracy theories?

http://mobile.bloomberg.com/news/2014-05-27/china-said-to-push-banks-to-remove-ibm-servers-in-spy-dispute.html http://www.forbes.com/sites/michaelpeck/2014/01/13/iran-says-tall-white-space-aliens-control-america/ http://www.huffingtonpost.com/2014/01/23/snowden-documents-us-alien-nazi-link_n_4592101.html http://www.dailymail.co.uk/news/article-2535698/Aliens-walk-theyre-refusing-share-technology-change-warring-polluting-ways-claims-former-Canadian-defense-minister.html http://www.cnet.com/news/canadas-ex-defense-minister-aliens-would-give-us-more-tech-if-wed-stop-wars/