“Article VI of the US constitution, US government is superior to the states.”
Courts have ruled numerous times against federal mandates directed at states.
Start with US v Printz, which declared that states are sovereign and can’t be forced to carry out federal mandates.
Courts can reverse. Used to be that federal minimum wage was unconstitutional. Schecter Poultry.
My statement was as to the court position - when the court says the feds are superior, the feds are superior.