I'm binging the trial and I couldn't have stayed as calm as everyone involved...

I've been listening to the trial all day and this guy keeps asking questions that incriminate him. I genuinely thing he knew he was done and this was his last time having any kind of control over anything and he knew it. And if I hear groundz one more time when the grounds have clearly been stated I'm going to go insane. It's like he thinks it's a magic word that will undo an objection or something. Also, there's video evidence of him in the car, on the day. I imagine they had a picture of the licence plate somewhere? Like...it was clear it was him from the get go, right? Also...what is his obsession with asking the judge if it was a judicial determination? What does that mean in this context? And what's his obsession with the jurisdiction and not accepting his name? I'm not American, so I don't get the sovereign citizen aspect. Why would a sovereign citizen not consent to being called their own name? And the obsession with the plaintiff??? I'm going nuts.