The concept of 'conspiracy' is largely based on the real or suspected influence of secret psychosocial manipulation of humans. As the conspiratorial worldview has become more widespread, so has the number of self-described mind control victims increased, and the Web obviously provides a powerful medium for their grim testimonies. Brain implants are real, and have been proven effective enough to divert an enraged bull from its target by famed mind control pioneer Dr. Jose Delgado. Drugs, psychological torture, and the inducement of amnesia have been researched in depth by a wide variety of governments and organizations. Some believe that the mass flouridation of water supplies deprives whole populations of their capacity for critical thinking.
Most people find the subject uncomfortable to think about.
And of course, that could be 'Their' intention. It's worth the ounce of prevention to save a ton of regret. Delgado began his mind control research under the auspices of the Franco regime. Mind Control Site Site dealing primarily with the experiences of Mojmir Babacek, a former Czech human rights activist and mind control victim. Psychosocial Manipulation of Human Populations Huge list of links for background on social manipulation, from the Leading Edge Research Group.