Transcription:
With the Oxford comma:
we invited the strippers, jfk, and stalin.
[A picture showing a cartoon image of 4 people. JFK, Stalin, and 2 strippers.]
Without the Oxford comma:
we invited the strippers, jfk and stalin.
[A picture showing a cartoon image of 2 people. JFK and Stalin, both dressed in the same stripper outfits as the strippers in the above image.]
It absolutely can create ambiguity, just in different circumstances. The truth is, people should just pick a format they like, and be vigilant about possible ambiguity and reword the phrase if it is unclear.