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You'd need a lot of firepower to remove Xi Jinping.
May be true or may not. I have no idea, but would like to since it could have some effect on me personally. Would be interesting to have some solid information about why you make such a statement. A 'coup' involves a polar shift of 'firepower' after all...and the CCP has been amazingly dismal in it's population treatment of late so it would seem.
My perception is that to the extent that this 'firepower control' is the case, it is based on millennia of mind control of the East Asian populations such that as people they are less likely to protect themselves against against tyrannical leaders and in fact disposed to despise 'freedom'. Possibly so long that it has become mildly genetic. I'd love to be wrong in this hypothesis, and I can say from personal experience that the effect would be mild and reversible with the right kind of upbringing. (In a similar vein, I would have to admit that 'my people', mid-1900s West Coast Americans, could well be the outliers in human populations genetics as it relates to group psychology.)
The biggest piece of circumstantial evidence for the happy projections of a coup that I can see is that Mainland has not yet gone for Taiwan, and I don't hear much about it of late.
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Mildly related, and I think I've expressed it here before, but here is my strategic advice to Taiwan would be to just don't fight. Just incorporate and plan to collapse the CCP from within.
I wish good luck to the Chinese people, and urge them to evaluate carefully the history of the 'communists' and Mao going back to the early 1900's, and also the massive shift of capital made possible by Kissinger's policies. And think about how 'sustainable' it is, and what the logical end-game might be.