Caldwell: The government recently demolished a former naval base. Among the complex's facilities were a gymnasium, a...

Emil-Kunkin September 20 at 08:18PM

I think those really do mean the same thing in this context, where the author says that X is immoral, and the opposite of that would be morally permissible. I think you should note that morally permissible is not the same thing as moral, but rather, it just means not immoral.