Yes, it's a blow to the power of federal agencies. FHFA and its Director are executive branch entities. They cannot make changes to federal laws. Only Congress can change the law. Therefore, the U.S. Congress did not give DeMarco the power to take all the future profits of their wards in conservatorship into perpetuity, thus Nationalizing the GSES, based on an Incidental Power in HERA: The Net Worth Sweep. The U.S. Congress would have given the FHFA more explicit instructions to do so than merely drafting in the HERA to do whatever it feels is in its best interests. DeMarco, this non-elected bureaucrat, has been allowed to steal the companies for the Treasury.