The quality of Chinese Airlines isn't comparable to Singapore or Qantas. Even Emirates has dual facades offering superior quality service to Western destinations which are considered Premium routes as compared to it's service with Eastern destinations.
Make sure a certain percentage of Profits stay in Pakistan and are reinvested in the country/ airline.
It wasn't just politicization, which is such a broad term, but selling of airport terminals and routes to the, then, start ups from a variety of reasons of "ummah" to corruption money, lack of brand recognition, safety concerns/ image of Pakistan, integration of technology, even maintenance.
The Chinese could have bought shares of an existing airline or the new one where the work over regulations is minimum or just set up a subsidiary of an existing Chinese airline what's with 'new'. The news is incomplete.