Ivies should work together on these far flung campus complexes (regardless of politics; it disintermediates US residency requirements from participation ability). Just as you have the Greeks or interest groups on campus, there’s no reason higher eds couldn’t share physical facilities. The value is the in person networking, no different than startup accelerators.
A significant amount of the world is currently learning how to operate with country borders closed, now is a great time to prototype such a model. Geography should not slow down learning or innovation.