Less about collapse and more about progress. Having common language/culture facilitates rapid development which PRC did relative to India. Also facilitates comm

Less about collapse and more about progress. Having common language/culture facilitates rapid development which PRC did relative to India. Also facilitates common market and conditions for supporting national champions which EU struggles with relative to PRC. India/EU embrace multiculturalism because it has no choice, system is too weak / politics to fraught to meaningfully unify, even if they wanted to. They're not going to collapse or even stagnate, but they're also not going anywhere fast.