[QUOTE=OpalCat]
I am extremely bothered by the lack of the Oxford comma. I always use it and find it jarring to read things which do not.
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…Especially in lists of three or more items. 
[QUOTE=Polycarp]
Very short, two- or three-word main clauses that appear to be distinct short sentences but are run together to produce an effect of crescendo or intensity, are even by the best writers properly joined by commas.
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True. Now that I think about it, I seem to recall that Strunk and White makes a similar point, allowing a comma splice for phrases presenting a certain poetic rhythm. I think the example it gives is “Man proposes, God disposes.”
But to circle back to the OP, I’m still not sure that a comma splice, which is a special case in any event, is a good example by which to evaluate the need for a serial comma.
[QUOTE=Tom Tildrum]
True. Now that I think about it, I seem to recall that Strunk and White makes a similar point, allowing a comma splice for phrases presenting a certain poetic rhythm. I think the example it gives is “Man proposes, God disposes.”
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I find it annoying when people don’t use the serial comma. I also think that semi-colons are underused in modern writing.
Agreed; though I think I overcompensate for society as a whole by overusing them when I write.