Ya, I think I've read somewhere that Cummings was heavily influenced by Cubism in art, and the dadaist like Gertrude Stein, so there's a certain intentional lack of obvious coherence to it.
I think Virgil's reading is pretty good, to add to what he's said, its interesting how that sort of refrain seems to shift scales, from seasons, to celestial bodies, to individual desires. I'm not sure there's anything to that.
Another interesting thing Cummings does in this poem is that the refrain disappears for a bit in the 7th and 8th stanzas, as the speaker goes on about the death of "anyone," instead of seasons we get "earth" and "spirit," sorta emphasizing that finality of death, it encompasses everything. Then in the last stanza he brings us back to the 2nd stanza by repeating the "Women and Men" and going on to repeat both of the main refrains, this seems to emphasize that sense of people wasting their life in triviality, and maybe it undermines how grand and final death really is if people just go on with their triviality after you die..

