After all, the British Museum, the main example for restitutions, is located in a global city, given completely free access to its huge collection on display and pays for preservation. The global cultural value it adds is much larger than individual museums all over the would could provide.
> Marieke van Bommel, director general of the National Museum of World Cultures, tells the New York Times’ Lynsey Chutel that “the thief cannot tell the rightful owners what to do with their property.”
And in the meantime the academic establishment seem to ignore doing what's best for the artefacts or the public. Abused children are taken away from their parents, but artefact are to simply be given back to whatever state has jurisdiction over some area they were in way back?
There seems to not be a simple answer on when things should be given back or not, but at least some effort should be put into figuring out some triage criteria.