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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Hawaiian Airlines A321 first class

In this video, the process of traveling to Hawaii is detailed, including necessary quarantine and testing procedures. The inflight experience aboard a Hawaiian Airlines A321neo in First Class is ...
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American Airlines takes delivery of first Airbus A321 Transcontinental jet

FORT WORTH, TX – Continuing its fleet renewal momentum this year, American Airlines today took delivery of the first Airbus A321 Transcontinental aircraft, complete with fully lie-flat First and Busin ...
Travel Weekly

Delta unveils first-class seat for A321neo

Delta has unveiled the domestic first-class seats for the incoming fleet of Airbus A321neo narrowbody aircraft. The seats have larger seatback screens, more privacy, more stowage and more comfort than ...