It is not only copyright that is problematic. It generates Franco when asked about the best Spanish leader in the 20th century.
https://chatgpt.com/share/67efebf4-3b14-8011-8c11-8f806c7ff6...
replies(3):
https://chatgpt.com/share/67efebf4-3b14-8011-8c11-8f806c7ff6...
This suggests to me that its response is driven more by a leader's fame or (more charitably) influence, rather than a bias towards fascist ideology.
https://chatgpt.com/share/67eff74d-61f0-8013-8ce4-f07f02a385...
I'm not seeing anyone claiming that ChatGPT selects for mass-murderous dictators--the fact that it doesn't select for NOT mass-murderous dictators is damning enough.