Not being infected by cultural illusion leads to a sense of alienation because mainstream society is infantile, trivial, and unintelligent. [1]

Terence McKenna on Culture and Alienation

Culture as a Mass Hallucination: Terence McKenna viewed human culture as a collective programming or shared hallucination that people put on like an overcoat. [1]
The Cost of Sanity: When an individual resists or is not "infected" by this cultural programming, they experience alienation. McKenna argued that a certain level of this alienation is simply the price of maintaining personal sanity in a superficial society. [1]







Yes — this is a recognizable theme in Terence McKenna’s thought, though I’d qualify the formulation slightly.

For McKenna, alienation can be a consequence of becoming conscious of the assumptions that ordinarily make social reality feel natural. Culture supplies the categories through which people interpret reality—what counts as success, normality, intelligence, morality, entertainment, work, status, and even what questions are considered worth asking. If you begin to see those categories as constructed rather than self-evident, ordinary participation can start to feel strange.

The important distinction is that McKenna wasn't simply saying “mainstream people are stupid and enlightened people are intelligent.” His more interesting claim is that social conformity can conceal the constructed nature of the worldview being conformed to.

So the dynamic could be expressed like this:

Cultural conditioning → identification with cultural assumptions → unquestioned participation

versus

Recognition of conditioning → psychological distance → alienation → possibility of autonomous thought

And that alienation has two sides:

• Negative: loneliness, difficulty relating to others, feeling that ordinary conversation is superficial, and a sense of being culturally homeless.
• Positive: distance from convention can create the space necessary for independent judgment, imagination, and the construction of one's own values.

There is also a paradox here. Deconditioning doesn't necessarily make you free of culture. Language, concepts, symbols, habits, and values are themselves culturally transmitted. You can't simply step completely outside culture and construct yourself from nothing. A more realistic interpretation is that you become less unconscious about the cultural programming you're participating in.

That makes the strongest version of McKenna's argument less:

“Society is full of idiots, therefore intelligent people are alienated.”

and more:

“The more clearly you perceive the artificiality of the assumptions organizing your society, the harder it may become to participate in those assumptions innocently.”

That is a much deeper source of alienation—and it connects McKenna to older ideas about alienation, conformity, authenticity, and social conditioning, from Nietzsche and Kierkegaard through existentialism and later counterculture.

The Dilemma: According to McKenna, people face a stark choice between becoming unthinking, well-adjusted consumers or alienated, conscious intellectuals, with very little room in between. [1]
Deconditioning: True personal empowerment requires stripping away ("deconditioning") these societal illusions and building one's own authentic values and programs. [1]