The global security ramifications of such a thing cannot be understated, in my opinion.
There must be viable possibilities for extending western intelligence networks into disgruntled territories in order to soften the landing for the west if it does break apart.
There is a ghost city in Mongolia that is still under development and nobody lives there. You can’t keep supporting the military burden of garrisoning your territories, the cost of force projection, AND the ‘jobs’ programs necessary to keep the peasants out of the cities.
China is the most important and fascinating thing not being talked about right now. All eyes are on Europe, the inevitable.