A Roman Catholic[1] priest is obligated (takes a vow when ordained) to not have sex with anyone, and it would be scandalous to find a priest—especially one with so much power and connections—to be hooking up with multiple partners in any situation. The app and sexual orientation are immaterial.
The other takeaway is that all the HN preaching about the importance of data privacy and how advertisers are grifting us, and how 'free' services are never free—this is probably the most lucid illustration of those facts yet.
Even those who try to aggregate anonymous data in a safe way are never going to be perfect at making sure nobody could associate the data back to an individual. The best thing is to not use the free (or cheap/ad-heavy) apps and services that do collect location information or other identifiable metrics.
[1] There are other parts of the Catholic church where priests are allowed to marry, and there actually are some Roman Catholic priests who converted from other faiths that allowed marriage, who are still married.