The sovcit thing is really big, courts see it extremely regularly, and it’s become a standard view in prisons for, uh, reasons. So people convicted with video evidence of them doing it want to represent themselves.
I listened to a motions hearing where the defendant spent almost 20 minutes asking the judge “by what authority are you allowed to call me [his name]”. (The question the judge asked was “are you [guy’s name]”) and he would go into his sovcit loop until the judge was just done and was ready to send him back to prison. It was very boring insanity. It’s also not unrelated to why Trump is popular with men in prison.