I would have assumed it's at least partly because NYC already has its own large annual coin show (NYINC), and doesn't really need a second one, especially if other large cities in the country never get a regular major coin show.
Quote:
Can you tell me what other cities host this event?
This
ANA web page has a clickable list of all prior
ANA show venue locations:
https://www.money.org/convention-history/Since 2011 the WFM has been held in Chicago more often than not, but they do try to spread it around the country. Prior to 2011 it was rarely held in the same city more than once a decade. I can only assume the Chicago ones have proved popular/profitable, so they regularly return there.
Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis