Well, a thousand years of refinement and a set of company values that most employees have instilled into them since birth will do that to an organization.
That, and also most of the work of a church (interaction with laypeople) is self-evident, local, and easily managed. Once trained, a priest can be set loose on a community without much oversight.
Likewise, I can imagine a chain of Montessori schools being similarly organized, or a trade guild.
Likewise, I can imagine a chain of Montessori schools being similarly organized, or a trade guild.