I think Xi Jinping wants the cake and he wants to devour it, all of it.
The regime in China does not allow freedom of thought, unless you think how they want you to think, essentially it is still 1984, in Communist China.
If there comes a time in the near future that the Chinese Economy goes in to reverse, then the whole rotten edifice falls down. He must keep his Chinese Balls in the air, at least untill he becomes Life-Time-Ruler with absolute power.