That is not intellectually honest because the State enforces its authority with violence on the humans residing within its claimed territory while Christ’s kingdom is completely voluntary and without borders.
Discussion
Why would one want to escape from the borders of the territory the state has claimed? Wouldn't they be foregoing all the benefits and protection of the state?
Not if the state has turned to tyranny. Which all states do.
God does not turn to tyranny since the resurrection of Christ according to the Christian view