But there is a difference between landing at a controlled airport without any 'control' and landing at an uncontrolled airport.
For a start there are procedures that are followed at an uncontrolled airport to ensure people know what other people are doing.
What procedures were in use at the controlled - but temporarily uncontrolled - airport to ensure the same?
To blithely say that we do not need ATC to land somewhere shows a distinct lack of lateral thought and vision about this particular situation. Even for a 21,000 hour wonder.