People are way overreacting to this. This decision was 100% about a federal statute. Unaffected are the MANY, MANY state and local laws preventing state and local government employees from taking gifts.
Edit: for y’all downvoters, even the linked article states
In any event, the decision in *Snyder *is narrow. It does not rule that Congress could not ban gratuities. It simply rules that this particular statute only reaches bribes.