OYK was the outgoing Transport Minister for a short period of time before he took on the health portfolio. The move from zero tolerance to endemic stance was announced sometime in June/July by that was the final nail to the bubble plans. Sorry bro, I'm just too lazy to dig up the info on the failed attempt initiated earlier. Suffice to say, we were not thorough with passenger screening to meet the conditions set by the HK authorities.
Lookup Oz and Malaysian carrier. Hong Kong is densely populated and they know the cost outweigh the benefits for now. Let me summarize the strategies for you.
Air bubble between countries with zero tolerance will be shortlived. Air bubbles between countries countries with zero tolerance and 'living with covid-19 is dead in the water. Debt will continue to grow at unsustainable rate among the business community if we don't open up.