Those that talk don't know, and those that know don't talk.
You simply don't understand how close Google (for instance) is to ASI (artificial super intelligence) emerging. Since most people are clueless (including a vast number of the people who attended that US government conference), here is a link that will give you a clue (if you have the ability to grasp the implications, which are staggering): http://www.viralglobalnews.com/technology/google-says-fully-reasoning-ai-inevitable/11545/
Simply put, the Singularity is coming quicker than you think, and it is going to change everything.