Thats the thing. Sovereign Citizen stuff starts out sane.

Sane: Naval courts have a weird flags.

Insane: therefore a weird flag means a you are in a naval court

Sane: running a corporation can shield you from civil liabilities. If the corporation gets sued there is a lot less of a chance your life will be ruined.

Insane: I can do whatever I want by calling myself a corporation.

Sane: during the chaos that was the early days of the FDR first administration some accountant decided that everyone just has a sum of money for being born and the government was managing it for them.

Insane: you can tap into this temporary accounting trick from a century ago and get lots of free money.

Sane: lots of laws really do depend on everyone just agreeing what a word means. If a lawyer can shift the meaning slightly unexpected results can occur, on rare occasion.

Insane: I can drive as fast as I want as long as I say I am traveling not driving

Sane: depressingly the wealthy and powerful are often shielded from the results of their actions to an extent

Insane: I can do what I want as long as I pay off a judge.