This article looks at three different cases by the Supreme Court, two already decided and an upcoming decision, that have the potential to remake or undo the "administrative state", as conservatives like to call it.
Effectively, the Supreme Court is mandating that Congress legislate only in the way it authorizes.
Yes and congress holds impeachment and appointment powers over the judicial branch, as well as the ability to hold hearings to investigate them. NEITHER are inherently democratic. A bill creating law is democratic, administrative law is efficient.