Not having stable ministries would imply that their members must change positions regularly, which risks causing disengagement.

And doesn't the possibility that new ministries appear without their function being governed by the charter risk destabilizing the cabinet?

About the proposal, the prime minister has more power by appointing the ministers himself, but what is the relationship between the prime minister and the delegate? The delegate is elected directly by the nations but has little power, so in the context of a lack of commitment wouldn't it be better to give power back to the delegate who is potentially "closer" to the nations of the region