It also used to be Phederally legal to sell slaves and even to sell your children into indentured servitude and the Pheds were OK with that, see Dred Scott decision or Plessy v. Ferguson. Phuq the Pheds, they are slavers too, the people of the States have a right to make their own choices.  If you are not directly harming the person. property or liberty of another you are not committing a crime.  The "State" can never be a victim, the State is not a Person.