I’m confused as to how this would work; my understanding is that the Q&A format is fairly strictly enforced, and witnesses can’t just spout except as a response to a direct question - would you have to pull a zootopia?
But of course if you can’t, that would be pretty damn limiting if you literally aren’t allowed to speak in your own defense.
Not that it’s ever a good idea, of course - but how does it work?
Next time you are called for jury duty, take your comment you just made as a screen shot and show it to the defense and prosecution. You WILL be escorted from that court room.