Like the guy on Tucker said, they thought they would use this Super Bug to learn how to make new vaccines quickly, at least that was the rationale.
Here is a LONG article discussing the Biotehtics of it:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4996883/
And...
https://www.nih.gov/about-nih/who-we-are/nih-director/statements/nih-lifts-funding-pause-gain-function-research
December 19, 2017
the National Institutes of Health announced that it is lifting a funding pause dating back to October 2014 on gain-of-function (GOF) experiments involving influenza, SARS, and MERS viruses.
This is probably why the inspectors of the Wuhan center were so appalled by the poor containment techniques being applied