It is all fine and dandy, yet Congress has an even greater power it has abdicated, just as sitting on its hands when investigating the executive branch amounts to a de facto abdication.
The greater power Congress has largely abdicated is that Constitutional it has the sole power of being the sole author of ALL federal legislation. It has abdicated the larger body of “federal law” to the regulatory state, and gives but a perfunctory rubber stamp - without a blink and a nod - to what the regulatory state adds to the “federal register.” The executive branch then becomes policeman, prosecutor and judge and the vast majority of what the regulatory state has added to the “law”.
Additionally, Congress has abdicated its law-making authority to the executive branch with a two-fer. It starts by writing laws that are not transparent, and sits on its hands as the DOJ and other agencies “interpret” the law and with those interpretations write additional law via “settlements” it has coerced companies and citizens into making, lest they be pursued by the DOJ all the rest of their days - no court, no judge, no transparent law, just an interpretation - de facto law - written by the executive branch while the legislature sits on its hands.
If we were to be true to the Constitutional intent, their would be no DOJ “settlements”. If the law was not clear and transparent such that “prosecution” was clear and needed no “interpretation”, then the DOJ should be required to turn to Congress for additional legislation clearly defining legislative intent. But if the law was transparent and prosecution was equally clear in the law, then the federal government should be required to bring its case to court and pay the losers costs if it loses the case. Their in court the defendant has all their rights and the federal executive cannot act alone as prosecutor and judge, even for a “settlement” which would in this case be a court required settlement not one merely imposed by the DOJ.