who spends her days selling canned memories while listening to the Puerto Ricans complain that it would be cheaper to fly to San Juan than to buy a pound of Bustelo coffee here,
Bustelo Coffee, or Café Bustelo, is a coffee brand established by Gregorio Bustelo in New York in 1928. Bustelo was born in Spain and moved to Cuba at a young age. (https://en.wikipedia.org/wiki/Caf%C3%A9_Bustelo)
they’re as learned as Plotinus, They are there. They’re as sharp as Ockham’s razor, they’re as subtle as Aquinas, They are there.
In this section, Whitworth is comparing The Examiners to former philosophers Plotinus, William of Ockham, and Thomas Aquinas using simile. This is used to emphasize the differing characteristics The Examiners take from these famous philosophers (http://happopoemouse.blogspot.com/2013/10/number-322-john-whitworth-examiners.html)