I am very glad to see Archbishop Viganò talked about this topic.
I believe it is a source of confusion for Christians who want to be obedient to legitimate [legitimate is the overriding key jurisdictional word] authority.
You can read a transcript here of all Questions and Answers. Question #7 of The Vigano Tapes is also related to concerns about authority.
Here are related posts:
“I was only following orders.”
There is a written transcript of the audio below the audio file.