I do not think he was being serious, he probably figured out be was being ‘punked’ and decided to put on a show.
or at least that was the impression I got
I got the impression of a little Stasi just salivating to crush anyone who did not fall in line or even that he thought might not fall in line.
Not taking people seriously when they say they want to imprison you or force something on you is always a mistake.
Just ask the 100 million victims of people like this person in the 20th century.
You will need an Ouija board.