To serve notice to the FCC, FTC, SEC, and CFTC that Trump intends to override their internal legal interpretations.
This was a live question in Trump's last administration, but I don't think it is anymore after cases like Lucia?
I concur with GP; you are arriving at the conclusion through your own logic but somehow not seeing the conclusion. See intermerda's point below.
Nothing in my comment is comparing them or suggesting they are comparable.