Apparently, a lot of them are trying to find a way to avoid paying child support.

It makes them feel powerful. They have the hidden incantation that sets them above the rest of the proles. I would imagine the venn diagram of flat earthers and sovereign citizens overlaps a lot.

They get convinced by someone on the internet that the government is all a scam and pay large sums of money to some guru to learn their methods, who then vanish into the ether as their new student loses their home or car.

Sovcits have roots in white supremacy.