Read the following excerpt from a historical essay:
"The Industrial Revolution marked a profound shift in societal structures, as agrarian economies transitioned into industrial ones. This transition was characterized by a surge in mechanization, which not only increased productivity but also catalyzed urbanization. However, the word mechanization evokes a duality; it signifies progress while also hinting at the displacement of traditional crafts and the labor force, leading to a complex relationship between innovation and social upheaval."
In this context, what does the author's use of the word evokes suggest about the impact of mechanization?