By placing pie after the can, the Presidents, are implying that we feed upon this oppression. The wishes embodied in the fourth stanza imply a desire and a plan to over through the establishment. A daily consumption of fresh peaches would only be allowed to the common person by a socialistic or communistic economy. These bulges are the portly capitalists who do nothing but lounge around in the shade while trying to get a tan, because their delicate complexion couldn't take the sun. They're people who haven't worked all their life and have lived by walking on the backs of men.
Capitalism is declared decadent and inescapable.
In seventh stanza the Presidents turn up the imagery. The twenty fourth line vents anger at the decay capitalism has caused. The anger is given intense force by the word fist which produces an image of anger and strength. The 25th line reinforces this idea. Communism and socialism are beliefs that are publicly seen to be feminine.