Some lead according to their stature and height. They build a ceiling on vision just above their own head. As long as other leaders and followers are shorter in stature, they can live comfortably in the containment of the leader’s vision.
The Pharisees led people with a clearly defined ceiling on God’s House. If they stretched up on tippy toe, they could touch the ceiling. They felt taller than others and thought they were authorized to define maximum growth potential.
In a small aquarium fish will only grow to a size suitable to their environment. The same fish in the wild can grow several times larger.
Indoor plants will only grow to the maximum potential of the soil pot they are planted in. They can grow several times larger when they have more resources.
On the birch tree in my front yard, there were two posts in the ground alongside the slender trunk of the young tree. The tree had the advantage of stabilizers while it grew to maturity.
Your role in leading leaders is to come alongside and join to them to provide stability so they can grow straight and tall.
It’s not your job to put a ceiling on how big they can grow, unless you want to keep them small like goldfish in a bowl.