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NancyLebovitz comments on Rationality Quotes April 2016 - Less Wrong Discussion
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Reason is poor propaganda when opposed by the yammering, unceasing lies of shrewd and evil and self-serving men. The little man has no way to judge and the shoddy lies are packaged more attractively. There is no way to offer color to a colorblind man, nor is there any way for us to give the man of imperfect brain the canny skill to distinguish a lie from a truth.
-- Robert A Heinlein. Assignment in Eternity, Loc 939 (Kindle edition)
It turns out that a lot of color blind people can see their difficult colors a little bit, and technological aid helps.
http://wearecolorblind.com/article/oxy-iso-glasses-review/
http://www.scientificamerican.com/article/new-eyewear-could-help-people-with-red-green-color-blindness/
They don't seem to help (most?) people as much of the more enthusiastic early reviews said, but aren't totally useless, either.
So it helps them to be less wrong, as it were.
You're right. I've corrected it. Thank you
Oops. That was a reply to a PM about a typo.