Answer:
It helps to create a mechanical, robotic tone in the poem.
Step-by-step explanation:
The excerpt shown in the question above, the speaker is referring to the interference of industry and media devices during the war. The speaker shows that in the midst of the war and all the madness it imposes on the industry, it promotes more madness, with a cacophony of devices that show news, sell products and establish connections and communications between friends. The rator is insane when exposed to so many devices and it emits a robotic, artificial and uncomfortable tone.