But these countries were isolated from the world in terms of technology, economy and influence. China, on the other hand, is a country the West depends on both

But these countries were isolated from the world in terms of technology, economy and influence. China, on the other hand, is a country the West depends on both for production and profit, and has not closed off itself to anything that can help it stay on top. From a state of pariah, it rose to superpower status, and there is no real competitor to take its wheels off - the western companies and governments are the first to rush and make business with China, instead of beating it at its game like they did with the rest of the communist countries.