already told you Schiff had incomplete and/or erroneous info and approach... stick to dave champion - start with his book shattering the myths.
complement is cross check what he says with SEDM and fill in the rest with references from those two...
only then can you gain a better understanding and make an informed decision...
the "income tax" as it has been popularized in public consciousness and "ratified" in the code IS NOT ILLEGAL - its extension to and enforcement upon normal american citizens living in the 50 states and working in the private sector has been the fraud and the scam...
LEGALLY, it is an entirely LAWFUL way for the federal government to extract a duty from its agents and officers (employees) aa they are seen to be benefitting from the "privilege" if doing or profiting from business inside of the U.S. corporate body located in DC and its jurisdictional territories and posessions...
its the same reason that DC residents DO NOT HAVE CONSTITUTIONAL RIGHTS as you and I do - they have a mirror of them, but they are privileges and can be revoked by congress at their will... which explains why they have the military police state on their streets currently, with very little pushback.