Earlier quoted context omitted.
But it wasn’t the law then when they violated it.
Rejecting an application for app store reinstatement would presumably be a new ban, legally speaking, and would be covered by the new law.
I think this is more for optics in the larger anticompetitive suit Epic has against Apple going on in other markets. Korea isn't a small market, but it pales in comparison if Epic can use it as a pry bar to get back into US, EU markets on iOS.