Hamza
As long as I understand, you can also apply critical theories to the current situations of your surroundings, forexample, Extraction of surplus value stated by Marxism still exists in our society. Critical theories give us insight about what is going on in our society. Philosophy tries to cover each and every topic of the world including science, arts, nature etc, and it is much detailed. While literature focuses on social, political, economic conditions of past and contemporary life and in doing so, it connects with philosophy at some extent.