Sorry to sound like some Illuminati conspiracy nutjob,
but you are crazy if you think the people that actually control the world would let Bitcoin make a dent in the financial system.
Ask Muammar Gaddafi what happened the last time a world leader tried to stand up to the established banking system.
(You can't because we bombed his country into the dirt, killed him and dragged his body through the street...)
http://www.finalcall.com/artman/publish/World_News_3/article_7886.shtml
Bitcoin have 10 billion marketcap, some banks have it in the safe box
More easily to banks make bitcoin disappear than any other thing, btw banks will start to use the blockchain soon, hope it can bring more attention to bitcoin and raise the price...