Consensus for its implementation was not established within a reasonable period of time. If you want to revive discussion, please use the talk page or initiate a thread at the village pump.
This page in a nutshell: The terms Catholic Church and Catholic are acceptable names for the worldwide church in full communion with the Pope in Rome. Although branch theory-derived objections tend to be rejected along WP:FRINGE lines, what settles the WP:CONSENSUS is WP:PRIMARYUSAGE. Article names, and by consequence its content, should not be changed from this convention without strong reason.
These naming conventions regarding the Catholic Church is a collection of guidelines on how to name Wikipedia articles about the Catholic Church, as well as associated people and entities. It is offered as a central point of reference.