I'm sorry but what you are saying has nothing to do with the national team: in the past foreign players chose to play in the Chinese Super League because they were offering a ton of money, ok, we know, and what difference did it make for Chinese football? None. Chinese players were bad back then, they were bad when foreigners were playing, and they are still bad after the foreigners left. Focusing only on bringing in foreigners is totally useless if you try to improve your local players. Foreigners won't play for your national team (with a few exceptions, like Elkeson / Ai Kesen). Japan never paid a ton of money for foreign players and yet we can clearly see that their model works, China's doesn't.