Business teams adopt Power Platform because IT is too slow. Heavy-handed governance just recreates the bottleneck that caused shadow IT in the first place.
Default environments for experimentation, managed environments for production. Different rules for different risk levels — communicated clearly.
The Centre of Excellence starter kit is table stakes, but it needs someone to configure, monitor, and act on what it surfaces.
A lightweight intake process that routes makers to the right path — self-service, supported, or enterprise build — beats a blanket approval gate.