Already discussed:

Catholic group spent millions on app data that tracked gay priests https://news.ycombinator.com/item?id=35081899

Catholic priest quits after “anonymized” data revealed alleged use of Grindr https://news.ycombinator.com/item?id=27908921

Catholic Church official resigns after cell data tracked him to Grindr, gay bars https://news.ycombinator.com/item?id=27902214