At least New York City is on truly solid grounds when it comes to granting this kind of dispensation. St. Patrick is the patron saint of the Archdiocese of New York, so this dispensation has been pretty much written into the traditions of the archdiocese for years.
Just because you can does not mean you must. AS John Paul II said, "Too much Liberty makes slaves of us." He knew that we msut be careful in making choices, for the good of mankind as well as to celebrate a Feast.