If it really were easy to change one's mind, then the risk of temporarily holding a crazy-wrong idea would be slight. Re-exposure to correct-idea would cause Alice to change her mind back.
Unless good ideas don't naturally defeat bad ideas on a level playing field (as opposed to the bias-filled reasoning of humanity today). But that's a separate problem than the social and mental-bias pressures against revolutionary ideas.
Today's post, Lonely Dissent was originally published on 28 December 2007. A summary (taken from the LW wiki):
Discuss the post here (rather than in the comments to the original post).
This post is part of the Rerunning the Sequences series, where we'll be going through Eliezer Yudkowsky's old posts in order so that people who are interested can (re-)read and discuss them. The previous post was On Expressing Your Concerns, and you can use the sequence_reruns tag or rss feed to follow the rest of the series.
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