"the Roman Catholic application of the kingdom of God is extremely church-centric, which leads its adherents (in each parish or diocese) to depend upon their local church" If "church" has anything to do with God and His Son then church is not applicable to the Roman Catholic organisation.
People who follow the teaching and doctrines of the Roman Catholic Vatican follow the antichrist as well as idolatry and blasphemy.
The Reformation in the 16th century was an act of God to remove His church from Satan's grip, the Roman Catholic institution.
The unbiblical traditions and heresy of the papists has excluded them from Biblical Christianity and sound doctrine, proving them to be under the papal antichrist. This is the road to hell, a man made Christ excluding ideology and methodology.