Especially considering this is with Emirates, not the budget airlines who are making it really difficult for people to refund or change their flights. In fact, Emirates has introduced flexible rescheduling/refunding options in light of the pandemic: https://www.emirates.com/uk/english/help/covid-19/ticket-options/Never ever heard of a holiday that "can't be cancelled".
Saying she's not going to post on socials while on a work trip because it's insensitive, while p postingphotos in first/business class seats on a planes. If it's truly a work trip, why would it be insensitive?
It's quite obvious that you're not going to post because you know it's not a work trip.
So it's hard to understand the lame excuse that they had no option but to take the flight.