The Senators and Representatives before mentioned, and the Members of the several State Legislatures, and all executive and judicial Officers, both of the United States and of the several States, shall be bound by Oath or Affirmation, to support this Constitution; ...
The problem is that no penalty is specified for violation of this clause. At best, the violation of such an oath should be grounds for a Constitutional challenge in a court of Constitutional Jurisdiction (Federal, District and Supreme). The remedy sought could be injuctive against the action or inaction of the offending party.
I have no idea if such an action has ever been brought, however all persons whose direct representative is in violation of such a claim should have standing against such a person. In cases where the violation is cause by an executive action (including Executive branch agents), ALL who are subject to the consequences of the action (including monetary consequences) should also have standing.
The problem is that no penalty is specified for violation of this clause.
But good heavens, what business to these people have in establishing public policy?!