This is just one of several South African State Owned Enterprises that are in financial difficulties. The others are not as visible outside the country.
A sad state of affairs.
This website actually mentions "car radios", but not the band used; https://www.vilnius-airport.lt/en/news/aerocinema-a-drive-in-movie-theatre-lands-at-vilnius-airport
Considering that they didn't share their profits (in the form of paid tax), why should we be required to share in their failure. As noted elsewhere, they were already in a deep financial hole before the lock-down kicked in.
They chose their treasures ahead of someone else's life, if they got off carrying their baggage at the expense of the someone not getting off fast enough to live.