There are most certainly Bitcoiners that have not studied economics (Austrian) at all. I actually like the fact that Bitcoiners get stereotyped, but once you’re around the community long enough, you realize how different everyone is. The fact that 90% of the culture wars are people arguing over group identities just makes me laugh harder.
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True, I've found that bitcoiners have little in common with each other. If there is a group identity, it pretty much stops at "we like the coin." The stereotyping is a very handy litmus test--people in the know realize that there is little consensus amongst bitcoiners