Why did woolf write about gender equality at a time when she was achieving success as a writer?

Woolf write about gender equality at a time when she was achieving success as a writer Because: people were not aware of the scope of gender discrimination during her time 

Back then, most people still have the perception that women is just not as good as Men in the work field. To deconstruct this Through her writing, she debunked various aspect of Gender equality such as unequal pay and the fact that it is harder for women to be promoted even though women the same work as the Men did.