Delta Air Lines' new Airbus A321neos: 44 first class seats & only 1 lavatory?

What is the reason behind Delta's latest and odd domestic first class configuration on board the A321neo?
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Delta ditching lie-flat A321neo first class? Where things stand now

Atlanta-based Delta Air Lines could be considering dropping its planned new business class seats on the Airbus A321neo. As first suggested by One Mile At A Time, the SkyTeam airline had been planning ...
Forbes

Delta Airlines Surprises The Industry — And Perhaps The First Class Traveller Too

NEW YORK - AUGUST 24 : An Airbus A321 operated by Delta Airlines takes off from JFK Airport on August 24, 2019. (Photo by Bruce Bennett/Getty Images) (Photo by Bruce Bennett/Getty Images) Airlines ...