As an aside, another good thing about it going back to the states is that he doesn’t even have to opine about it any longer! It makes no difference whatsoever what he thinks.
Well, what Trump and others have difficulty understanding is the basis of American governance of individual freedom over governmental power.
Constitutionally-protected state sovereignty from the federal government is only one example of the American de-centralized power, a cornerstone of protection of individual freedom, the basis of American governance.
Study the Declaration of Independence and its central theme of God-given individual rights and freedom, the basis of self-governance. Helps to understand the presumptions of the Constitution.