Museums are among the few public places that still carry social trust. If they stop pretending “sustainability” is compatible with business-as-usual growth and start telling the truth, convening difficult conversations, and building practical capability, they can help communities face disruption with dignity. If not, they’ll drift into irrelevance, ever more polished and ever less helpful.

That’s the hinge of the book. Not “How do we keep growing?” but “How do we become useful?”