The right to a small life protects the scale of a person’s direction from becoming a status hierarchy. Someone may want to cure a disease; someone else may want to tend a garden, love their family, read, and participate locally. Both are coherent trajectories, and the model does not rank the grandeur of a destination as human worth.
A larger trajectory is not necessarily a better one. The only question is whether a bearing remains viable and coherent with the participant and the ecology.
It has an equal and opposite twin — the right to extraordinary ambition — which insists the field leave room for the person who wants to attempt something enormous. Neither is the default the system quietly pushes people toward; both are protected, and the participant chooses between them. Together they guard bearing against the two failures of a directional culture: shaming the modest, and forbidding the audacious. See Supporting Individual Bearing.