It is clear from the very beginning of this ode that Shelley loves nature and the wind but interprets it to express his woes. This poem should not merely be interpreted as a admiration of nature. His sadness could pertain to the depressing events in Shelley's life. Because in the 1820s the English were apparently struggling and he was in Italy. His son also died.
Using a metaphor is not a common method.
Society indifference to poverty
