Sad. A Covid test requirement forced them off their original flight and onto the doomed flight.
https://www.cnn.com/2021/01/10/asia/...ntl/index.html
"Minarni and her husband were supposed to fly home January 5 on another carrier -- Nam Air, he said.
But when they arrived at the airport Tuesday, they were informed that in order to board the flight, they would need to take a coronavirus PCR test -- a process that would delay them from flying for another two days.
Once the couple got the results of their test, they were able to rebook their flight home -- but this time, it would be on another carrier, Sriwijaya Air."