Probably, the ability to maintain two or more contradictory world-views is strongly conducive to survival.
> A real incident to illustrate. Fifteen years ago, I was selling a socialist
> newpaper in the poorer districts of San Jose. I knocked on the door of a
> run-down basement apartment, a Miller-guzzling male dressed in dirty jeans
> and an undershirt opened the door and allowed me to enter. The apartment
> was of the black-velvet paintings and apple crates variety: it bespoke of
> various kinds of impovrishement. I announced that I was selling a socialist
> paper and asked him if he was interested in buying a copy.
>
> "No." He said, "I don't believe in socialism. I'm a capitalist."
>
> "You are?" I queried looking around his apartment, "Then, where's your
> capital?"
>
> That stopped him only for a second,
>
> "My body," he replied, "My body is my capital."
>
> So, there you go. What untold fortune he was going to squeeze out of his
> body, I do not know.
This is standard-issue libertarian (fundamentalist liberal) dogma on the Net. The class context is familiar. It's interesting where and how it showed up in earlier times.