Further, the author wants us to be outraged of "how entirely simple and legal this is".

However, why should the Federal government get this land at all? We used to have allodial title many years ago...but then it became common-law precedent that we effectively "rent" our land from the government and pay perpetual property taxes for that right.

The lack of allodial title is what ultimately creates an inescapable "head tax" on every citizen.