It already has. US can’t keep up with recruitment and have been cancelling flights due to a lack of manpower. Europe is recovering fast, and Singapore taken the lead in living with covid, as they realise there will never be zero cases, humans having lived with the flu for thousands of years.
Only delusional HK government (or the lack thereof) which drags down the whole local airline industry with it. Good luck
Coronavirus: Hong Kong ‘no longer’ in travel bubble talks with other places, goal to maintain zero infections
https://www.scmp.com/news/hong-kong/...-travel-bubble