The rules governing which faiths can be publicly mocked and misrepresented and which enjoy protected status is very complicated and ever changing within the progressive group think hive.
Movie aficionados may have noticed that Christianity actually gets a very positive portrayal from Hollywood if the context is an African-American one.
Catholicism seems to get a bit of a pass from the Canadian MSM even though the theology is on the conservative side of the Christian spectrum.  Coverage  by the reliably left CBC comes to mind (suspect Scheer's status as a Catholic will actually shield him from some of the more vicious personal invective).
Values of the urban progressive left is cluttered with ever shifting exceptions.  Perhaps an on-line site with the latest trends and fads de jour would help clarify things.