All of which has zip to do with the notion of Congress imposing a code of ethics.
All of which has zip to do with the notion of Congress imposing a code of ethics.
It has everything to do with what Alito said. "... the Supreme Court shall have appellate jurisdiction... under such regulations as the Congress shall make." It's kind of hard to maintain that Congress cannot make regulations for the Judiciary.
That Congress can make regulations for the Judiciary does not mean every regulation passes muster. They can't make the justices subordinate to a committee of their subordinates.