What could the plots of novels such as Kidnapped or Persuasion revolve around?

In April this year, students at Aberdeen University voted for trigger warnings to be used before lectures or course material which might contain ideas or themes liable to cause distress. We can now see the result.
https://www.thecourier.co.uk/fp/news/dundee/2117341/trigger-warnings-are-distressing-content-alerts-for-scottish-students-an-act-of-compassion-or-another-erosion-of-free-speech/
https://www.dailymail.co.uk/news/article-10249587/University-issues-bizarre-trigger-warning-novel-Kidnapped-protect-snowflake-undergraduates.html