Lack of available cruise workers

[Host Mike]

"The cruise industry could be in rocky waters again: Difficulties with hiring crew members has hindered several cruise lines' operations, leaving some would-be cruise-goers with fewer onboard dining options or canceled trips.

Like on-land hospitality companies, cruise lines haven't been immune to worker shortages" amid the Great Resignation. And now, a lack of available cruise workers has begun affecting itineraries and onboard amenities."

https://www.businessinsider.com/carnival-royal-caribbean-struggling-to-hire-crew-members-2022-5

[RichC]

I suppose you can't blame the old crew members for not wanting to wait around 2 years for a job.
Even if they all did return to work, who's to say that the cruise line wouldn't be shut down again in the near future.