Earlier quoted context omitted.
Consider that Californian's pay about $290 Billion to the Feds and the state collects about $70 billion. Do other small countries pay most of their taxes to a larger central organization? Much of that Federal money gets shunted to other states.
For consistency, I also support repealing the 16th amendment and removing the interstate commerce clause. Then California would have more direct control over its citizens' tax money.
You seem to want not a nation of 50 states, but 50 completely independently sovereign nations which will somehow miraculously also agree to cooperate on the handful of things that you personally feel they should.
This has been tried, and failed, and was replaced with the Constitution we have now.