When one stops proclaiming the Gospel and replaces two millennia of Christian teaching and practices with modern anti-Christian secularism spoken from the pulpit, why should this be a surprise.
The Episcopal Church has become a comfortable lifestyle choice for liberal non believers. The clergy are well paid for very little effort.
Also there are population shifts in many of states and big cities. But, the anti-Christian rhetoric has been going on for a long time.
Hollyweird has ALWAYS represented the very worst of morality with its pornographic movies, daily parading of married and divorced people comporting with each other,
No criticism of THEM is allowed because of the financial power of Hollywood.
Anti Christian secularism has bee a way of life for movie and television people on both coasts.