might be on a wild one but this is what came to my mind.

>When does a Church become a playground?

Playground = children

>When does a Church become a business?

children become a business

>When does a Church become political?

The business of children gets into politics

>When does a Church become corrupt?

It then corrupts politics

>When does a Church become willfully blind?

People in positions of power turn a blind eye (blackmailed)

>When does a Church become controlled?

they gain full control

Q