The central theme of "Oryx and Crake" by Margaret Atwood revolves around the dichotomy of violence and destruction versus beauty and life. The phrase "Blood and Roses" captures the essence of this conflict, highlighting how the brutal aspects of existence often overshadow the more delicate, beautiful elements. The protagonist finds that the violent memories linger more vividly, overshadowing the positive ones.

Furthermore, the narrative suggests that the victories achieved through violence, represented by the Blood player, come at a significant cost. Inheriting a wasteland symbolizes the emptiness and desolation that follow such wins, underscoring a profound message about the consequences of human actions and the fragile state of the world. Ultimately, Atwood critiques the darker aspects of human nature intertwined with societal collapse.