Any state that host the seat of Federal government would have an enormous advantage over the other states. This will never be allowed. It is the primary reason why the founders created the District of Columbia. It serves no other purpose.
You cant Constitutionally subdivide states. D.C.s land came from Maryland and Virginia?
This and the proposal to eliminate the Electoral College is all part of the socialist democrat attempted coup. They want to nullify the constitution so they can become a one-party socialist state.
They forget that our inalienable rights to liberty, free speech, to keep and bear arms, to consensual government, etc, are granted by God and pre-date the constitution. The Founders spelled out the remedy for runaway tyrannical government in the Declaration.
Its first purpose was to establish a permanent seat of government. Congress under the Articles of Confederation was a vagabond institution.