• jaycifer@lemmy.world
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    10 days ago

    Not knowing better about two unrelated things means they did know better about a third, unrelated thing?

    • piccolo@sh.itjust.works
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      10 days ago

      All the examples were well known to be dangerous by the early 1900s. If we were talking about late 19th century, sure we can say it was plain ignorance… but 1950’s? Theres no excuse.