From New Scientist:
The words used in millions of books show how US culture has generally become more permissive, leading to both innovation and risky behaviour.
Who gets to write books is far from a level playing field. In 2016, 86 per cent of authors and writers in the US were white, according to the US Census Bureau. Many groups, including women, people who are poor and the LGBTQ community, are also under-represented. Publishing has mostly been the preserve of a privileged few, so using it to make generalisations about cultural norms doesn’t paint the full picture.
Read the Complete New Scientist Article