Yes, please!!!
My favorite analogy on that is this sentence:
The intramural teams competing in the tournament will each be wearing jerseys in one of the following solid colors or color combinations: blue, red, orange and white, purple, green and yellow and black.
Without using the Oxford comma, you cannot definitively say - simply by reading the above sentence - how many teams are in the tournament, much less what the actual colors all of the jerseys will be. You know there are at least five teams but there could be six even without the sentence technically being grammatically incorrect - and that's assuming that they correctly used commas in the series, meaning semicolons were unnecessary.
There are obviously four teams with these jerseys:
- Blue Colored Jerseys
- Red Colored Jerseys
- Orange and White Colored Jerseys
- Purple Colored Jerseys
However, you cannot determine whether there is only a fifth team that is wearing Green, Yellow, and Black Colored Jerseys; a fifth team wearing Green Colored Jerseys and a sixth team wearing Yellow and Black Colored Jerseys; or a fifth team wearing Green and Yellow Colored Jerseys and a sixth team wearing Black Colored Jerseys.
And - regarding punctuation marks - can we also please [at least try to] get everyone to stop using apostrophes for plurality, learn to use semicolons in a series with comma delimited elements and use commas in a series without them, and stop comma splicing three or four times in every other sentence by using commas as a "pause" placeholder?
[/RANT]
:biggrin2:
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